介绍清明节的英语作文80词（实用20篇）

Hello, my name is Kong Shiqi. I’m 12 years old. I like spring best. Because It’s always windy and warm. I wear my new T-shirt. I like to go hiking and fly kites. The sky is very blue. The M要My Saturdayleaves are very small and green.

Today is Saturday, the weather is very cool and windy. I wear my T-shirt. I get up at 8:00 in the morning. I eat breakfast at 8:30. At 10 o’clock, I nill go to Xinhua bookstore. It’s near the hospital. How can I get to Xinhua bookstore?

1、 Start from my home, it’s near the Chengshi plaza(广场).

2、 Take the No.11 bus.

3、 Get off at the cinema.

4、 Turn right at the traffic light. There are three lights: red, yellow and green. Red means“Stop”. Yellow means“Wait”.Green means“Go”. In China, drivers drive on the right side of the road. We must remember the traffic rules.

5、 Walk east for five minutes.

6、 Find the white building on the left.

The Xinhua bookstore is opposit to the white building.

The road is too long.

今天，我和爸爸、妈妈、舅舅、舅妈、哥哥去太公、太太坟前扫墓。

Today, my father, mother, uncle, aunt, brother and I went to visit the tomb

of Taigong and his wife.

到了那里，我们放上小菜、水果、酒饭，点上蜡烛，然后我们都鞠了几个躬。旁边还有许多革命烈士，我想：这些烈士流血牺牲，才换来了我们今天的幸福生活。

When we got there, we put on vegetables, fruits, wine and rice, lit

candles, and then we all bowed a few times. There are a lot of revolutionary

martyrs beside us. I think that only when these martyrs shed blood can we have a

happy life today.

我一定要好好学习，珍惜今天的幸福生活，做一个好孩子。

I must study hard, cherish todays happy life and be a good child.

考研复试英语口语一般涉及这样几个话题，象自我介绍、家乡和大学的状况、研究生期间的科研设想等等。如何在这些地方让老师满意呢？下面这些话题的模板和范文，供广大考生参考。

自我介绍

Good morning. I am glad to be here for this interview. First let me introduce myself. My name is ***, 24. I come from ******, the capital of *******Province. I graduated from the ******* department of *****University in July, 2001. In the past two years I have been preparing for the postgraduate examination while I have been teaching *****in NO. ****middle School and I was a head-teacher of a class in junior grade two. Now all my hard work has got a result since I have a chance to be interviewed by you。

I am open-minded, quick in thought and very fond of history. In my spare time, I have broad interests like many other youngers.I like reading books, especially those about *******. Frequently I exchange with other people by making comments in the forum on line. In addition, during my college years, I was once a Net-bar technician. So, I have a comparative good command of network application. I am able to operate the computer well. I am skillful in searching for information on Internet. I am a football fan for years. Italian team is my favorite. Anyway, I feel great pity for our countrys team。

I always believe that one will easily lag behind unless he keeps on learning. Of course, if I am given a chance to study ****** in this famous University, I will spare no effort to master a good command of advance ******。

Good morning, my dear teachers, my dear professors. I am very glad to be here for your interview. My name is Song Yonghao, I am 22 years old. I come from Luoyang, a very beautiful ancient city. my undergraduate period will be accomplished in Changan university in July, 2004; and now, I am trying my best for obtaining a key to Tongji University。

Generally speaking, I am a hard working student especially do the thing I am interested in. I will try my best to finish it no matter how difficult it is. When I was sophomore, I found web design very interesting, so I learned it very hard. To weaver a homepage for myself, I stayed with my personal computer for half a month, and I am the first one in my class who own his homepage. Furthermore, I am a person with great perseverance. During the days preparing for the first examination, I insist on running every day, no matter what the weather was like. And just owning to this, I could concentrate on my study and succeeded in the end。

Well, in my spare time, I like basketball, tennis and Chinese chess. Also English is my favorite. I often go to English corner to practise my oral English on every Thursday, and write compositions to improve my written ability. But I know my English is not good enough, I will continue studying。

Ok, that is all, thank you for your attention。

[考研复试英语口语自我介绍经典作文

I live in Jinan.Itvery beautiful.Its famous for the springs.Its said that there is 72 springs in Jinan.On the other side,there are many mountains here.The most beautiful mountain is Qianfo Mountain .It lies in the south of Jinan.Daming Lake is other sineary .In Daming Lake Park,swillows are here and there.Air is fresh.Fish is swimming

freely.When you come here,youll be fancinated by it. Quancheng Sguare which is in the middle of the city is a mordern work.

You are welcome to Jinan.

My name is _X , 12 years old this year, I in shandong province boxing

lakeside town village "bian village elementary school reading, I ah, the little

girl is a warm and cheerful confident sunshine, normally its not a hobby, but in

the evening, I began to see some documents, which is not the eyes.

I have some advantages, also some disadvantages. Ill tell you about my

strengths! Advantage 1: I am very popular among the students, why? Because I

often classmates laugh ah. Advantage 2: I like reading very much. Advantages 3:

I finished writing homework at home, I which also dont go, just as documents in

bed, someone ask me to play, I go out to play occasionally. Good, the advantages

are had said. The talk about weakness! Disadvantages 1: Im lazy, mom told me to

do what I dont do it. Defect 2: one to play with my legs hurt. Drawbacks 3:

every examination should not be in the wrong is wrong, every time I got 90

points, never take an examination of 100 minutes... When I play, like crazy, no

wonder every time I was hurt when I come back! Once my classmate - mud LuYing

cried, I asked what happened to her, she dont say, I just want to have an idea,

as a result, she laughed. I can comfort people, also can get people cry.

I am a warm and cheerful, sunshine confident girls.

我叫_X，今年12岁了，我在山东省博兴县湖滨镇寨卞村小学五年级读书，我呀，是一个热情开朗阳光自信的小女生，平时没什么爱好，不过一到了晚上，我就开始看一些作文书，导致现在眼睛不好。

我有些优点，也有些缺点。我先给你说说我的优点吧!优点1：我很受同学们的喜爱，为什呢?是因为我经常都同学笑呀。优点2：我非常喜欢看书。优点3：我在家里写完了作业，我哪也不去，就在床上看作文书，别人找我玩，我偶尔出去玩一下。好了，优点都说完了。该说说缺点了!缺点1：我很懒，妈妈叫我做什么我都不去做。缺点2：一去玩我就腿摔伤。缺点3：每次考试不该错的却错，害得我每次都考90多分，从不考100分……我玩的时候像疯了一样，怪不得我每一次回来的时候都有伤啊!有一次我的同学—泥鲁莹哭了，我问她怎么了，她不说，我就想了一个办法，结果她哈哈大笑。我能安慰人，也能把别人惹哭了。

我是一个热情开朗，阳光自信的小女生。

I was born in Xiangtan,Huan.Its a beautiful place.I love it very much.

Now please let me tell you something about my hometown--Hunan Province.

Hunan Province is in the south of China,which covers an area of 211,800 square kilometers.The population is about 66 million and the capital city is Changsha.

There are many places of interest in Hunan,such as Zhangjiajie and Mount Heng.And a lot of famous persons were born here like Mao Zedong and Zeng Guofan.

Hunan is rich in natural resources.And it has made great achievements in economic development.

I love my hometown.And welcome to visit it!

good morning, my admirable professors and my dear fellows. it’s my great honor to be here to introduce myself to all of you. my name is xing heng and i’m in my eighteen years old. i come fromxiamen, which is a famous and beautiful city. i strongly suggest you visiting there and i can be your guide if it’s convenient. after three years’ hard work, i am so excited that i am finally enrolled by my dreaming school,sichuanuniversityand be one of you. i am outgoing and i have many interests, such as playing basketball, football, and swimming, but i am only good at basketball.

i hope we can always play together in the next four years. computer science and technology is my favorite subject and i am sure that it’s also a promising area in the future, with the great development of computer science and our society. i am glad to be a classmate of you and i hope we can study and make progress together in the future. i greatly expect my life to be with you in the coming four years.

导语：你喜欢科技馆吗?下面是yuwenmi小编为大家整理的优秀英语范文，欢迎阅读与借鉴，谢谢!

This morning, it is time for us to make sandwiches, so we are very excited. We took two bread and put sausage, eggs and vegetables in it, and then we cut the bread into two other shapes.

My Mom said: “ we need to take food there, because there is one place to eat, but the food there is bad. I went to search the internet, and many people said that.” Because my Dad need to work after breakfast, so my Mom would take me there by herself. After 30 minutes, we arrived the science center.

The science center is very big, and it has every countries’ costumes on it. The whole science center look like an eye with globe. Then we went inside the science center to buy tickets. It is really cool inside. My Mom asked me to go to watch a movie, and then we went to.

Time pass quickly. It was time for us to go home, but I really happy today.

【参考译文】

今天早上，是我们做三明治的时候了，所以我们很兴奋。我们吃了两块面包，放了香肠、鸡蛋和蔬菜，然后把面包切成两个形状。

我妈妈说：“我们需要在那里吃食物，因为有一个地方可以吃，但是那里的食物不好。我去上网搜索，很多人说：“因为我爸爸早餐后需要工作，所以我妈妈会带我去。30分钟后，我们到达了科学中心。

科学中心非常大，它有各国的服装。整个科学中心看起来像一个眼球。然后我们去科学中心买票。里面真的很酷。我的妈妈让我去看电影，然后我们去。

时间过得快。是我们回家的时候了，但我今天真的很高兴。

Good afternoon,honorable judges. I am glade to be here for this interview. First let me introduce myself to you. My name is **, 23. I come from zhengzhou, the capital of Henan Province. I will graduate from the Central South University in july this year.

After four years’ extensive training in science and engineering with a focus on microbiology and biotechnology in the last one and a half years, I am fully absorbed in biology and their various novel applications. Driven by my interest and capacity in these areas, I would expect myself to be a senior professional in 10-15 years time, working as either a faculty member in a university or a researcher in some institute.

Having realized that such a goal would require much more knowledge than what I have acquired, I am determined to pursue graduate study in a best university. The origination of my interest dates back to my senior high school year when I attended an intensive but interesting course given by the biological teacher on general biology. My interest was reinforced when I had the opportunity to participate in some research projects in the Central South University. In May, 2003, I began working with prof.Zhou to do research on microbial treatment processes for the nitrogen removal in wastewater. I participated in the separation method of nitrifier and denitrifier (chemolithoautotrophic bacteria, very small colony, grows slow, have the same color with the culture medium) and do some research on their Physiology characteristics.

I have been consciously strengthening my research ability by teaching myself advanced knowledge including microbial physiology, microbial statistics. Through these projects, I have not only learned many practical techniques but also acquired a solid theoretical background and a broad scope in scientific research in my fields of interest. Despite the intensive curriculum, I have always kept an eye on a broader world outside.

As a member of the CSU-Students Union, I’ve improved my communication and cooperation skills through some meaningful activities. It has become clear to me that a good academic environment can play a very important role in my pursuit of excellence. I believe pursuing a Master’s degree at CSU, would be a most reasonable extension of my academic pursuit and a major step forward toward my career goal.

导语：白鸽,有一身洁白无瑕油亮的羽毛。它们在空中飞翔,就像一个个白衣天使在翩翩起舞。 下面是yuwenmi小编为大家整理的优秀英语作文，欢迎阅读与借鉴，谢谢!

I have a pet. It is a pigeon. It has got white and gray feathers a red mouth and two small eyes. It’s cute.

I found it near a park. Its leg was injured and couldn’t fly. I took it home and cured it. Every morning I give it some water and small pieces of bread. It gets stronger and stronger.

Now the pigeon has become my best friend. When I come home from school it always flies to me and rests on my shoulders it likes to talk to me. It makes my spare time colorful.

【参考译文】

我有一只宠物。它是一只鸽子。它有白色和灰色羽毛，一个红色的嘴和两个小眼睛，很可爱。

我在公园附近发现它的。它的腿受伤了不能飞。我把它带回家治愈它。每天早上，我给它一些水和小块面包。它变得越来越强壮。

现在鸽子成了我最好的朋友。当我从学校回家的时候，它总是飞到我的肩上，它喜欢和我说话。它使我的业余时间丰富多彩。

I am a third year master major in automation at Shanghai Jiao Tong University, P. R. China. With tremendous interest in Industrial Engineering, I am writing to apply for acceptance into your Ph.D. graduate program.

Education background

In 1995, I entered the Nanjing University of Science & Technology (NUST) -- widely considered one of the China’s best engineering schools. During the following undergraduate study, my academic records kept distinguished among the whole department. I was granted First Class Prize every semester, and my overall GPA(89.5/100) ranked No.1 among 113 students. In 1999, I got the privilege to enter the graduate program waived of the admission test. I selected the Shanghai Jiao Tong University to continue my study for its best reputation on Combinatorial Optimization and Network Scheduling where my research interest lies.

At the period of my graduate study, my overall GPA(3.77/4.0) ranked top 5% in the department. In the second semester, I became teacher assistant that is given to talented and matured students only. This year, I won the Acer Scholarship as the one and only candidate in my department, which is the ultimate accolade for distinguished students endowed by my university. Presently, I am preparing my graduation thesis and trying for the honor of Excellent Graduation Thesis.

Research experience and academic activity

When a sophomore, I joined the Association of AI Enthusiast and began to narrow down my interest for my future research. In 1997, I participated in simulation tool development for the scheduling system in Prof. Wang’s lab. With the tool of OpenGL and Matlab, I designed a simulation program for transportation scheduling system. It is now widely used by different research groups in NUST. In 1998, I assumed and fulfilled a sewage analysis & dispose project for Nanjing sewage treatment plant. This was my first practice to convert a laboratory idea to a commercial product.

In 1999, I joined the distinguished Professor Yu-Geng Xis research group aiming at Network flow problem solving and Heuristic algorithm research. Soon I was engaged in the FuDan Gene Database Design. My duty was to pick up the useful information among different kinds of gene matching format. Through the comparison and analysis for many heuristic algorithms, I introduced an improved evolutionary algorithm -- Multi-population Genetic Algorithm. By dividing a whole population into several sub-populations, this improved algorithm can effectively prevent GA from local convergence and promote various evolutionary orientations. It proved more efficiently than SGA in experiments, too. In the second semester, I joined the workshop-scheduling research in Shanghai Heavy Duty Tyre plant. The scheduling was designed for the rubber-making process that covered not only discrete but also continuous circumstances. To make a balance point between optimization quality and time cost, I proposed a Dynamic Layered Scheduling method based on hybrid Petri Nets. The practical application showed that the average makespan was shortened by a large scale. I also publicized two papers in core journals with this idea. Recently, I am doing research in the Composite Predict of the Electrical Power system assisted with the technology of Data Mining for Bao Steel. I try to combine the Decision Tree with Receding Optimization to provide a new solution for the Composite Predictive Problem. This project is now under construction.

[求职英语自我介绍

Singles Day falls on every November 11th, and as the name indicates, this relatively new holiday is one exclusively for people who are still living the single life. I was a bit surprised when I googled Singles Day on the Internet, to find that China is the only country in the world that has set aside a special day for singles to celebrate their lives. To find out more about this celebration, read on.

Origin of Singles Day 节日起源

Betting 打牌

An old story goes that once there were four single men, leading very boring lives. None of them were married, or had lovers, or did anything exciting. They just sat around all day and played Mahjong.

One day they played Mahjong from 11 in the morning until 11 at night. During the game, no matter who won, the winning card was always the four columns card (the card shows four independent, parallel columns in two lines). Even more of a coincidence, it was Nov 11, or 11/11. In order to commemorate the day, they nicknamed it Singles Day.

故事从四个过着单调生活的单身汉说起。他们没有人结婚，连女朋友都没有，日子过得无精打采，终日打麻将度过。

有一天他们打麻将从早上11点打到了晚上11点。奇妙的是，不管谁赢，都赢在了“四条”上。更加巧合的是，这一天正是11月11号。为了纪念这一天，他们给它命名为“光棍节”。

New Year Party

On New Year#39;s Eve，our class had a party. The atmosphere was good. It was out of the ordinary from the very begining. The boy student from one bedroom gave an unusual performance. We saw a boy named Li Xinmin turn off all the lights in a sudden snap. Then with three resounding(响亮的) crow of a cock echoing in the hall，the hall was again brightly lit in a snap.

Then，the representative of the bedroom Zhu Guozhang asked us to guess a line of a poem related to the above situation. He added that Li Xinmin alone was born in the year of the dog and the other three were all born in the year of the chicken. They left us all in confusion. And it was our monitor who was quickwitted(机智的). He shouted our， "The day breaks as the cock crows three times at dawn." The hall After that，they had another item. This time Li Xinmin was placed in the middle of the circle. While he was standing there，the other three stood around him，each bowing down to him at an angle of 120 degrees. It was an idiom. This time I got it right："The dog stands out among a group of chickens."

In contrast to the sadness of the tomb sweepers people also enjoy hope of Spring on this day. The Qingming Festival is a time when the sun shines brightly the trees and grass become green and nature is again lively. Since ancient times people have followed the custom of Spring outings. At this time tourists are everywhere.

People love to fly kites during the Qingming Festival. Kite flying is actually not limited to the Qingming Festival. Its uniqueness lies in that people fly kites not during the day but also at night. A string of little lanterns tied onto the kite or the thread look like shining stars and therefore are called "god‘s lanterns."

The Qingming Festival is also a time to plant trees for the survival rate of saplings is high and trees grow fast later. In the past the Qingming Festival was called "Arbor Day". But since 1979 "Arbor Day" was settled as March 12 according to the Gregorian calendar.

相反的悲伤的墓扫墓，人们也希望享受春天的这一天。清明节是一个阳光灿烂的日子，树和草都变绿了，大自然又恢复了活力。自古以来，人们都有踏青的习俗。此时到处是游客。

人们喜欢在清明节期间放风筝。风筝放飞其实并不限于清明节。它的独特之处在于人们在白天不放风筝，晚上也放风筝。一串串的小灯笼拴在风筝上或是线上看起来像闪亮的星星，因此被称为“上帝的灯笼”。

清明节也是一个植树的时候，树苗的成活率很高，树木生长快。在过去，清明节被称为“植树节”。但自1979以来，“植树节”定在3月12日根据公历。

Good morning teachers and classmates,im glad to be here for self-introdution.My name is ** and i come from grade seven class ** .I have a family of four,my mother ,farther ,brother and me.we are getting along with each other ,i usually help my mother do house work when my farther is out of home and i am a deligted person and willing to help others while in trouble.I like watching TV and playing basketball with my partners in part time .I also need others encuragement while i dont pass eaxminaion .so i fee that we should help each other.Thank for giving me a chance of makng a speech

高中自我介绍英语作文一

My name is________ . There are ________(数字) people in my family. My father is a Chemistry teacher. He teaches chemistry in senior high school. My mother is an English teacher. She teaches English in the university. I have a younger brother, he is a junior high school student and is preparing for the entrance exam.

I like to read English story books in my free time. Sometimes I surf the Internet and download the E- books to read. Reading E- books is fun. In addition, it also enlarges my vocabulary words because of the advanced technology and the vivid animations.

I hope to study both English and computer technology because I am interested in both of the subjects. Maybe one day I could combine both of them and apply to my research in the future.

高中自我介绍英语作文二

My name is________ . I am from ________. There are________(数字)people in my family. My father works in a computer company. He is a computer engineer. My mother works in a international trade company. She is also a busy woman. I have a older sister and a younger brother. My sister is a junior in National Taiwan University. She majors in English. My brother is an elementary school student. He is 8 years old.

Because of my father, I love surfing the Internet very much. I play the on-line game for about 2 hours every day. I wish I could be a computer program designer in the future. And that is why I am applying for the electronics program in your school.

高中自我介绍英语作文三

My name is Li Hua. I was born in the city of Dalian, Liaoning Province. I studied in Guangming Primary School from 1984 to 1990. Then I entered

NO. 6 Middle School where I mainly learned the subjects like Chinese, mathematics, English, physics, chemistry and computer. I have been very fond of and good at English and computer ever since. Therefore I placed first in the school computer competition last year. My hobbies include swimming in summer, skating in winter as well as collecting stamps and listening to popular music in my spare time.

高中自我介绍英语作文四

I am linjiang. I was born in jilin changchun. I graduate from Henan University of Urban Construction. I started learning English since I was 15 years old.My father is a farmer . And my mother is a housewife. I am the youngest one in my family. My brother have a lot of American friends. That’s why I have no problem communicating with Americans or others by speaking English.

In my spare time, I like to do anything relating to English such as listening to English songs, watching English movies or TV programs, or even attending the activities held by some English clubs or institutes. I used to go University for a short- term English study. During that time, I learned a lot of daily life English and saw a lot of different things.

I think language is very interesting. I could express one substanceby using different sounds. So I wish I could study and read more English enlarge my knowledge.

高中自我介绍英语作文五

My name is ________. I am graduatefrom ________ seniorhigh school and major in ________. There are ________ people in my family. My father works in a computer company. And my mother is a housewife. I am the youngest one in my family.

In my spare time, I like to read novels. I think reading could enlargemy knowledge. As for novels, I could imagine whatever I like such as a well-known scientist or a kung-fu master. In addition to reading, I also like to play PC games. A lot of grownups think playing PC games hinders the students from learning. But I think PC games could motivate me to learn something such as English or Japanese.My favorite course is English because I think it is interesting to say one thing via different sounds. I wish my English could be improved in the next four years and be able to speak fluent English in the future

I am a boy.My name is Sheng Qiyun.I am a pupil in Pingjiang school in Suzhong.I like play table tennis very much,and I like swimming,too.I go to school five days every week. My school is not far from my home,and it is a nice school.There are 3000 teachers and 7000 students in my school.There are 300 classes in my school.My English teacher is tall, my PE teacher is tall,too.I love them a lot.Welcome to my school.

Setting off firecrackers whether be banned

Every barber knows that, is a way of expressing

，caused a lot of security Chinese festival in the Spring Festival,but due to set off firecrackers

issues.Therefore,Setting off firecrackers should be banned whether or not,becomestans a hot topic.

on the one hand,Have the Spring Festival firecrackers is the Chinese nation for thousands of years.As part of the Spring Festival Customs and Chinese civilization,and It must not be stopped.

On the other hand,Setting off substandard firecrackers and the operation is not standard it will cause an explosion,Resulting in injuries and economic losses,The gas it produces harmful to the environment,and Caused incalculable consequences.

In my opinion,We can set off some firecrackers,But we should pay attention to safety.only in this way,We can experience the fun of it.

My Chinese name is Peng Wanjun and English name is Alice. Im a girl in my 12 years old. I like singing and acting. Besides, I like doing sports. Table tennis is my favorite sport. I have a brother and a sister. They are middle school students. I study in Xing Gong Primary School. Im in Class Two Grade Four. I have three best friends. They are Huang Yue, Xia Yu and Wang Tongtong. We have many things in common. Do you like me?

我的中文名字叫彭万军，英文名字是爱丽丝。我是一个12岁的女孩。我喜欢唱歌和表演。另外，我喜欢运动。乒乓球是我最喜欢的运动。我有弟弟和姊姊。他们是中学生。我在兴工小学学习。我在四年级二班。我有三个最好的朋友。他们是黄阅，夏雨和王彤彤。我们有很多共同之处。你喜欢我吗?

My mother is 38 years old, but she never tells others how old she is. She says she just doesnt want them to know about it! My mother is a well-known doctor in our area. She works hard. She often gets up very early in the morning and rushes to the hospital to look after her patients. She is kind to her patients and treats them the way she treats her family. Sometimes I wonder whom she loves more, her patients or me.

My father is 40 years old. He has short hair, big eyes and a small mouth. He is my best friend.

My father is a teacher. Just like my mother, he is very busy. He doesn?ˉt have any holidays or weekends. Every morning he goes to school very early and stays with his students until late in the afternoon. It seems that he never gets tired! His students love and respect him. He always tells my mother how good it is to be a teacher, because his students make him feel young. He thinks my mother should be a teacher, too! But so far she hasnt taken his advice.

I will be a new student in my fathers school this summer. I will work harder and I hope one day I can be a good doctor like my mother.

Dear sirmadam,

My name is Jingjing Wang and I’m from Jingmen city, Hubei Province. By the end of this June I’ll graduate from Shaanxi University of Science and Technology, located in the famous and historical city Xi’an.

I choose the major of Machinery in the future for my great interests and I have already learned all the basic knowledge of this major. As is known to all that ‘Interests is the best teacher’, I pursuit my dream of making great progress in the scientific area by competing to become a graduate student in the very famous Hunan University which is ranking on the top universities in China, more importantly, Mechinery is a highly valued major in this great university and this will undoubtedly making my dream come true !

I really admire such a great university with profound culture and abundant ability of scientific research. Moreover, the hard-working mentors are showing great patience to all students here which convince me that I’ve made the best choice of joining this Hunan University.

I appreciate it if you may provide me with such a great opportunity of becoming a graduate student here !

Thank you all !

[面试的英语自我介绍