描写动物的英语作文10句(精彩20篇)

Pet Raising

饲养宠物

Nowadays, with the improvement of the people’s living standard, some people form a habit of raising small or domestic animals as pets. Some raise small dogs or cats as their pets while others raise various birds or fishes as their pets.

如今，随着人们生活水平的提高，有些人形成饲养小的动物或者家禽作为宠物的一个习惯。有些人养小狗或猫作为宠物而有些人则饲养各种鸟类和鱼类为他们的宠物。

However, some people object to the idea of raising animals as pets. To them, animals have their own right to live a natural life like human beings. On the other hand, the way people raise animals as pets have a negative influence on the surroundings ,for example, dogs’ chasing people on the street and so on. What’s more, some animals will transmit some diseases.

然而，一些人反对饲养动物为宠物。对他们来说，动物们就像人类一样，有过自然生活的权利。另一方面，人们养宠物对环境有负面影响，例如，狗在街上追赶人等。更重要的是，有些动物会传播疾病。

In my opinion, I do not like the idea to raise animals at pets. We should not deprive them of their natural right. In this way, we will live in a peaceful world in harmony with the other living creatures.

在我看来，我不赞成。我们不能剥夺他们的自然生活的权利。在这种方式中，我们将与其他生物生活在一个和平的和谐世界。

[我最爱的宠物英语作文

I have a new classmate, whose name is Jane. She is one of my good friends now.

Jane is a pretty girl with a round face, twinkling eyes and rosy cheeks. Her long hair lies back in curls from her delicate ears. Jane wears glasses and is usually dressed in plain colors.

Jane is a book addict and never spends a day without reading. The books she reads range from classical poems to modern novels. She also loves singing and dancing. Her marvelous voice and appealing dance make her one of the most popular girls in our school.

Apart from her striking looks and wide range of hobbies, Jane has an outstanding performance at her studies. She is ambitious and aggressive. She aims really high. And we all believe that she is always a pride for her family, friends and teachers.

Nowadays ,more and more people prefer to work abroad rather than work at home According to statistics.since 1980， nearly two-thirds of the 1 million people who study overseas did not return home..Because they hold that there may have more possibilities to find a better job and earn more money overseas .

But others still believed that at home is better than overseas ,because there have many relationships for you ,which may make it easier for you to find a cozy job .

However ,I have another reason for working at home ,I think that it is also convenient for us to look after our family numbers ,because the reason why we want to find a better job is not only making a great living condition for our own but also bring comfort to our family numbers ,and with the rapid development of international trade ,more and more ideal jobs are waiting for us ,so I prefer to work at home.

there is only so much land on the earth, and so what we can do with it is limited. some people believe that human needs for farmland, housing and industry should come first, while others believe that some land should be set aside for endangered animals. i am of the opinion that we should reserve some land for the worlds animals for the following reasons.

first, mankinds need for land is constantly growing. if the demand is not checked in some way, humans will eventually develop all of the earths available land. at that time, mankind will have no more room to grow, and all the wild animals will have disappeared, as well as other valuable resources. second, humans are able to innovate and can use the land that they already possess in more efficient ways. animals are unable to do this. once their land is taken away from them they will die. third and last, endangered animals are an important part of the biodiversity of our planet. if they disappear, we cannot predict what the effect will be. therefore, we should treat such animals as a valuable resource to be protected.

to sum up, the worlds endangered animals are an important resource and we should protect them by setting aside some land for them. although mankinds need for land continues to grow, people are intelligent and inventive enough to put the land they have to better use. in this way, we can have enough land for farming, housing and industry, and preserve the biodiversity of the planet at the same time.

一个星期天的上午，我和爸爸、妈妈正在包饺子，忽然听到一阵“扑扑”的声音，我赶快开门一看，原来阳台上站着一只迷路的小鸽子。它一身灰褐色的羽毛，红红的小嘴，尖尖的爪子，黑黑的眼睛不安地注视着我。我连忙跑到屋里告诉爸爸。爸爸出来把小鸽子逮进屋里，绑在桌子腿上。

我很喜欢这只小鸽子，拿出我最爱吃的麦乳梢、奶油饼干喂它，但小鸽子连看都不看一眼。煮熟了饺子，我把第一个送给小鸽子，它仍然理也不理。我问爸爸：“小鸽子为什么不吃麦乳精、饼于、饺子呢?”爸爸对我说：“鸽子是鸟类，吃粮食的。”哦，原来它吃粮食，我就抓了把小米，义找了个小碗，灌满水，放在小鸽子面前。开始它胆子很小，东张张，西望望，还咕咕地直叫，就是不吃。噢，原来它看见我在旁边，怕生人哩。我连忙躲到了门后，从门缝里愉偷地看着。一会儿，小鸽子见我不在，胆子就大了，正想啄米，弟弟一拍手，小鸽子义不吃了。我连忙把弟弟拉到门后。只见小鸽子用那红红的小尖嘴一口一口把小米吃完，然后看看四周，又美美地喝了两口水。

下午，我和小鸽子玩了好大一会儿。晚上，该睡觉了，我轻轻地抚摩着小鸽子，告诉它：“小鸽子，咱们都该睡觉了，明天放学，我再和你玩。”小鸽子咕咕地叫着，在屋里飞来飞去。我躺在床上想：“可能它想念自己的爸爸、妈妈了吧?”

酣睡中我做了个梦，梦见我变成了一只美丽的小白鸽，和小灰鸽一起自由自在地飞翔在蓝天上……

一阵“咕咕”的叫声把我从梦中惊醒。我睁眼一看，啊!天亮了。我赶忙起来抱起小鸽子。我想，它一定也做了一个同样的梦。我多么喜爱这只小鸽子呀!但我怎么能把它关在自己的屋里，不让它自山地飞翔呢?我双手捧着它，高高举起，说：“飞吧，可爱的小鸽子，自由地飞吧!去找你的爸爸、妈妈吧。”小鸽子张开双翅，飞到了阳台上，围着阳台转了几圈，还“”古口占”地叫粉，好像在向我们全家告别。然后它又张开双翅，飞上了蓝天。我一直目送它降落在不远处房顶上的一群鸽子中间。有只鸽子给它理毛，有只鸽子和它亲嘴。我想，理毛的一定是它的爸爸，亲嘴的一定是它的妈妈。瞧，它们多亲热啊!

Some people think that human needs for farmland, housing, and industry are more important that saving land for endangered animals.

Do you agree or disagree with this point of view? Why or why not?

Use specific reasons and examples to support your answer.

In the past, there have been many endangered animals. Now they are extinct. Does it matter? Has our environment been affected by their absence? Has the quality of our own life been changed? The answer to these questions is “Yes.”

Yes. It does matter if we destroy an endangered species habitat to develop more farmland, housing or industrial parks. There is a delicate balance of nature. If one small part is removed, it will effect all the other parts.

For example, if certain trees are cut down, bats will have no place to roost. If they cannot roost, they cannot breed. If there are no bats, there will be no animal, or bird to eat certain insects that plague our crops.

Yes. Our environment has been affected by the absence of certain animals. Certain flowers are pollinated by butterflies, which migrate from Canada to Mexico.

Some of the breeding grounds of these butterflies were destroyed. Now these flowers are disappearing from certain areas. We will no longer be able to enjoy their beauty.

Yes. The quality of our life has been changed America used to be covered with giant trees. Now we have to visit them in one small park.

Rain forests around the world are being cut down to make room for humans. We will never be able to see or study this fragile ecosystem.

I would encourage us humans to look for other alternatives for our farmlands, housing, and industries. We have alternatives; the animals do not.

My dogs character is weird. Say it is gentle, it is really obedient. Let it lie there tease it to play, the United States and the United States looked at me, soon as not out. However, when it is eating, no matter who, that is, usually the best friend to its side will not work. It is so fierce, it is true ah, or how friends do not go to it around it? However, it came to see my grandfather will hide, for fear that grandfather see, because grandpa played it, it is so Gall bladder

If it is happy, can be cute than anyone else: turn around and turn around, the back of the tail shake to shake, as if you are affectionate. Or when you walk, rushed to your pants, let you stop walking.

It is a child can be pleasant to love! Just came to our house just full moon, the road is still bad, they learned to play their own. Walking around in the house, I do not know what to find, round little ass twisted, people laugh. Where is he beautiful, suddenly, hit the mans legs, back a few steps back, buttocks hit the wall again. Although it hit two, but it did not cry at all.

Then I do not know where to find a small ball, went to the yard to play. The small ball Diao Diao to go. It bite it all can not see the way.

I always like it and never say it. Look at it so lively and lively, not enough I like it, how could it be said?

Winter, we first think of the word is nothing more than "cold" "cold" "ruthless." And the winter morning?

In the eyes of everyone in the winter is a ruthless ice woman. Her words and deeds are always with a burst of bitter wind from the wind.

I opened the curtains this morning. Greet me is not biting the cold wind, but a ray of warm sunshine. The winter morning is the freshest. Suck into the cool silk, but today there are some sweet it. The sun shines on my face. I think this time the winter morning is more like a sunny boy.

Winter, I love you do not lightly expressed in the warmth of love; I love you more selfless dedication of the spirit of Lei Feng.

You are burdened with the world complaining about you, complaining about your cold; complaining about your ruthlessness. And you are quietly bear. How can they know your cold for the warmth of the spring of next year; for the coming year the fragrance of flowers; for the coming year the green grass; for the next years wheat harvest. Who can understand you?

The appearance of cold, heart hot you year after year, day after day, never complain.

When the spring is more warm; when the flowers are more fragrant; when the grass is more green; when the wheat harvest better. When people are busy praising the spring, you laughed and you said, "The four seasons are the rules of nature.

Looking at you back to the back, I cried ...

In everyone’s life, most people have some experience and career which are affected by someone. It is difficult for you to forget them and what they affected you because they have taught you something of importance in your life, also it changed your life. It is difficult for me to forget that my older sister who is 4-year older than me has taught me something which were important in my life.

It is fortunate thing for me that I have two sisters, and they are all my loved ones. When I was child, I was jealous of another children who have older brother. When they got some trouble with other another children who has no older brother, they let their older brother to help them and they always got win even though they were wrong. This thought was ridiculous when I recognized that having an older sister is wonderful thing for me especially when I was youth.

In my memory, my older sister was a pretty and not tall girl when she was in high school, and she had two long braids. She got a job when she just graduated for senior high school because my mother’s health was not in good situation and she though that she should earn some money to reduce my parents afford. I was in junior high school when she got her job. I was clever and excellent student when I was in elementary school. But when I was in junior high school, everything was totally changed, I was also clever but I could not get good grade, I was confused and disappointment. My sister advised me to change my study method. She told me that you should not think that finishing your homework is only one thing you need to do after school. You are in high school now, you need to study your textbook more and think about some question more. In order to help me to do it effectively, she studied with me and explained some question for me after her work.

[描写姐姐的英语作文

Peafowl are three Asiatic species of flying bird in the genus Pavo of the pheasant family Phasianidae best known for the males extravagant eye-spotted tail which it displays as part of courtship. The male is called apeacock the female a peahen and the offspring peachicks.[1] The adult female peafowl is grey and/or brown. Peachicks can be between yellow and a tawny colour with darker brown patches. The term also embraces the Congo Peafowl which is placed in a separate genus Afropavo.

孔雀是飞的鸟在雉科，孔雀属雉科三亚洲物种，最出名的男性的奢侈的眼睛发现的尾巴，它作为求爱的一部分显示。男性被称为apeacock，雌孔雀，和后代peachicks。成年雌性孔雀是灰色或棕色的。peachicks有黄色和茶色暗棕色斑块之间。该术语也包括刚果孔雀，这是放置在一个独立的属Afropavo。

1、猫眼睛像玻璃球儿。

2、小鸟在树枝上欢快地唱歌。

3、鲸鱼像海底潜水艇一样巨大、安稳。

4、风儿清唱著歌，唤醒了沉睡中的大地。

5、小黑猫长长的尾巴像小鞭子似的，左右摇摆。

6、猫的胡子非常硬，像钢针一样，能量出洞口的尺寸。

7、小狮子狗的小嘴巴也是黑乎乎的仿佛嘴上粘了一块煤。

8、小花猫的脑袋圆圆的，顶着一对尖尖的小耳朵，那大大的绿眼睛瞪得像两盏小绿灯。

9、小白兔吃饱了的时候，就仨一群俩一伙地在沙地上跑来跑去，像一个个小雪球在滚动。

10、小猫鼻子下面有一张人字形的嘴巴，两旁有6根白色的胡须，常常一扇一扇的，挺神气。

11、小狮子狗身上的毛几乎都是黄色的，只有脖子和四只小脚丫是白色的。一双眼睛使劲瞪着像两只黑色的玻璃球。

12、白色的耳朵，像红宝石的眼睛，浅粉色的嘴巴，胖胖的身体，灵活的四肢，圆圆的尾巴，这就是活泼机灵的小白兔。

13、小猫有一对透亮灵活的大眼睛，黑黑的瞳仁还会变：早晨，像枣核；中午，就成了细线；夜里，却变成两只绿灯泡，圆溜溜的，闪闪发光。

14、小花猫早上起来先伸一下懒腰，然后再坐起来，用两只前爪在舌尖上舔一点唾沫，像人一样地洗着脸，再用舌头不停地舔着自己的毛皮，直到有一点光亮为止。

15、只见一只花孔雀把尾巴抖得哗哗响，那漂亮的尾巴就像仙女手中的彩扇，慢慢散开，又像透亮的珍珠撒在它身上，非常美丽。尾巴一开屏，鲜艳夺目，五光十色，使人眼花缭乱。

16、金鱼有一双玻璃球似的眼睛，一张又圆又阔的嘴巴，一张一合的腮，和像薄纱一样的鱼鲫。一排排的鳞片，好像是金鱼的花衣服，鱼尾是金黄色的，像一个翩翩起舞的仙女一样。

Sarah Liang Liang1 Mrs Fu

College Writing 123

November 5, 2014

My family portrait

Are you seeing that picture of my familyThe sun was shining brightly! My parents sat together in sofa. My mother hugged my brother, and I stood beside on my father. We were smile sweetly to the camera. All we us look like very happy although we were a poor family at that time.

My mother is not tall, not short but slim. She has a round face, two big eyes, a small nose and small mouth. She’s beautiful. She is forty-three years old, but she looks so young! She is my dear friends .

You must feel very strange to my father because he having full-white hairs, just look like a old man. My parent’s relationship is old husband and young wife. He is older than my mother 20 years. He can as my grandfather at his age.

You can see that my father wear a long sleeve shirt and look like a gracious man to camera. In my daily life, he is a bad-tempered man. He looks up to boy and down on girl. So he is very strict to me because I am a girl. He takes particular care for my brother. Well , his finger is long and thin. He often uses finger to tooth my ears as I was a child , wow!

Liang 2

My father has a bad habit that he likes smoking very much. I hate it. See, the house is full of smoke. I know it bad for his health as well as my mother, brother and mine. We advise him to give up smoking. I’m sure he will follow my advice some day.

My father like to reading newspapers after meals. He also likes reading in his spare time. He told me reading little by little. I like books, because they help me in many ways.

I ever upset that my father having white hairs before I enter to college as I would always compared him to my friend’s young father. You know, I rebelled when I was in high school. Well, I am very respecting him now. I am having the feelings of important to my family. I love my parents and brother. They are plays an important roles in my whole life.

Such is my family, I am proud of having such a good family!

My favorite little animal bunny, it has a white fur, the play is very cute. Her two eyes are red, the play is like a pair of red gems. Sparkling. Every morning the little white rabbit to eat a carrot, two pieces of leaves, it is full.

Every day I put a study at noon, a home, it bouncing to jump in front of me, as if you are welcome to go home. I see it every day, even if I am not happy, I saw him I was very happy. Forget all those unhappy things.

Once again, my classmates came to my house to guest, it is still as usual bounce to me, my classmates saw, she said: "your familys small rabbit is so cute Oh! Home for a while I let My dad bought me a little rabbit.

In this way, I am more and more like my little rabbit, I must take good care of it!

1.要突出重点。描写一种小动物，也和写其他内容的作文一样，不能面面俱到，像“流水账”似的说个没完，一定要突出重点。有的可以侧重写小动物的外形样子，有的可以侧重写小动物的习性。无论怎样写，都要抓住典型，突出重点，具体描写。

2.要细致描写。描写任何一种小动物，都要细致描写，认真刻画。无论是写外形样子，还是写生活习性，都不能几笔带过，概括叙述。特别是在描写小动物生活习性时，要注意准确地使用动词，再现出小动物活动的情景，给人以“状物如在眼前”的感觉。

3.要条理清楚。描写一种小动物也和写其他作文一样，不能东一句，西一笔，缺乏章法。在动笔之前先想好先说什么，后说什么，再说什么。句与句之间怎样挂连，层与层之间怎样联系。怎样开头，怎样结尾，全篇文章怎样组合。把这些想好之后再动笔，才能使文章条理清楚，层次分明。

The environmental pollution is worse and worse /more and more seriously today. Water is polluted; we have no clean water to drink. Many trees are cutting down, some animals is getting less and less. Some factories are pouring dirty air in the sky, the population is increasing faster and faster, resources are getting less and less…etc. Not only does it affect our lives and health, it but also has agreat affection in the future. Peoples health has been greatly affected by air, noise and water pollution. Many people died of diseases. In order to live a better life, we need protect our world.

We shouldn’t throw away rubbish everywhere. We want to recycle, reduce, reuse things .Don’t waste things. This saves money and reduces pollution. Use things for as long as possible. We don’t use plastic bags. We must plant more trees and stop the people cutting them .We hope our worldbecomes more and more beautiful.

With big eyes， there is an emergency ears like flying up to now。 You guess what？ Let me guess， is the rabbit。

A rabbits eyes like ruby， of course， I also gave a name to my rabbit called ruby。 Because the rabbit eyes glistened like ruby。

Remember once， my mother took me to go for a walk， I bring my ruby went to the park。 Ruby remembered it home for many years， because of the ruby grew up in the park， but his mom and dad have vanished into thin air， I also know that the rabbit is very poor， but I also didnt find its relatives。 The rabbit ears soon ran off， may be sad， I had to chase her for a long time。

This is my favorite little animals。 Smart， lovely ruby。

眼睛大大的，有紧急情况耳朵像飞的一样竖起来了。大家猜猜是什么？猜不到吧，就是兔子。

兔子的眼睛像红宝石一样，当然，我也给我的兔子起了一个名字叫红宝石。因为兔子的眼睛像红宝石一样亮晶晶的。

记得有一次，妈妈带我去散步，我带着我的红宝石来到了公园。红宝石想起了它多年的家，由于红宝石是在公园里长大的，但是他的爸爸妈妈却消失得无影无踪，我也知道兔子很可怜，但是我也没有找到它的亲人。兔子很快就竖起耳朵跑了起来，可能是伤心了，我追了很久才追到。

这就是我最喜欢的小动物。聪明、可爱的红宝石。

一日，表弟家的母鸡生了几颗蛋。

开始，我对这件事毫不理会，直到有一天，母鸡象得了神经病似的一大清早就“咕咕咕”叫个不停，吵得我恨不得把母鸡炖了吃掉!终于，我忍不住了，拿了根棍子冲了过去，忽然，我看见鸡窝里的一颗破了壳的蛋里探出了一颗湿漉漉的小脑袋!母鸡正在“咕咕咕”叫着帮助小鸡破壳而出呢!过了一小会，在母鸡的帮助下，可爱的小鸡就从壳里钻了出来，懒洋洋地爬到了母亲的翅膀下，东瞅瞅西瞧瞧，可爱极了!

几天后，原本安静的院子突然变得热闹起来，我走出房间，只见母鸡“咕咕咕”地叫着，身后跟着几只毛茸茸的“小黄球”!几天不见，那几只小鸡仔都已经长出了嫩黄嫩黄的羽毛，变成一个个圆溜溜的小胖子了!鸡仔身上那黄黄的细细的羽毛，就像面包上的吐丝，真是有趣!还有那水灵灵的眼睛，就像乌黑晶亮的玛瑙，十分引人注目!

一个星期之后，小鸡的羽毛颜色变深了，叫声也越来越清脆，小鸡们的身体也逐渐硬朗起来。

鸡仔们围绕着鸡妈妈跑前跑后的，活泼极了!几只胆大的小家伙甚至试着离开妈妈去东张西望，仿佛对这个五彩斑斓的世界充满了好奇，真是有趣!

几个星期过去了，小鸡们逐渐长大了，这时，更有趣的事情发生了：原本黄色的羽毛逐渐褪色，鸡仔们的颜色开始变得五彩斑斓——有火红的，有亮白的，有咖啡色的，有灰色的，还有黑色的-----几只鸡仔的头上还长出了又红又大的冠子，昂首挺胸，样子十分威武。

这是多么神奇的生命啊!

导语：你相信世界上有外星人吗？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 like aliens because I think they are smart and special.

I think aliens have green skin, so they can hide their body in hassock. There are many poisonous spiders and venomous snakes, so they cant eat grass. In addition, they use this trait to hide from plows, when they steal corns and nuts.

I think aliens live on Planet NO.5. There is much land and only a little water. There are a lot of vegetables, fruit, animals, and some many kinds of fish, but no birds. Many fearful snakes and insects live on the planet.

Nobody knows how long the aliens have lived there, because aliens are very arcane and smart creatures.

【参考译文】

我喜欢外星人，以为我觉得他们很聪明很特别。

我认为外星人的皮肤是绿色的，这样可以躲在草丛里。因为有好多毒蜘蛛和毒蛇，所以他们不能吃草。另外，当他们偷玉米和坚果的时候，他们会用这一特性来躲避铁犁。

我认为外星人住在五号行星上。那里有好多陆地但是只有很少的水。那里有很多蔬菜，水果，动物和各种各样的鱼，但是却没有鸟。很多可怕的蛇和昆虫住在那里。

没有人知道外星人在那里生活了多长时间，因为外星人是非常神秘，非常聪明的生物。 小作者描写了外星人的样子，和生活的环境，可以看出小作者是一个天真，充满幻想的小孩子。

The Lunar New Year is a great occasion to the Chinese people.It lasts about the first four days of the year,during which people do not work except for the workers on duty.Students do not go to school,and shops are closed.

Several days before the new year,people begin to prepare.Farmers kill pigs,sheep,cocks and hens.City dwellers buy meat fish and vegetables.Houses are cleaned； coupletsare posted on the doors.Colourful lanterns are hung at the gate.

On the eve of the new year,each family has its members gatherd together and eats a family reunion dinner.After the meal they watch TV until the clock strickes twelve.Then every family sets off long strings of small firecrackers and other fire works to welcome the new year.On the first day of the new year,almost everyone is dressed in his or her best.When people meet on the way,they say to each other "Happy New Year".Friends and relatives pay new year calls and gives presents to each other.Children indulge themselves in games.

When the Arctic Ocean freezes over in the autumn, polar bears set off in search of their favorite meals: fatty ringed seals and bearded seals. By the summer, the sea ice begins to melt and break apart. Deprived of access to the tasty seals, polar bears spend the summer fasting. At least, thats whats supposed to happen. As the planet warms, the warmer ice-free season is getting longer and longer. So whats a hungry bear to do?

Scientists once thought that polar bears might survive by supplementing their pinniped diet by turning to terrestrial foods like snow geese, their eggs and caribou.

"Weve had this debate in the literature about whether terrestrial foods are nutritionally relevant to polar bears during the on-land season when the ice has melted."

University of Alberta biologist Nick Pilfold.

"And weve known for a long time, going back to research in the early 70s, even going to back to early explorer logs, that polar bears will consume terrestrial based foods. But the debate was always whether those foods actually add up, energetically." In other words, do these substitutes provide enough nutrition to make up for the lost seals?

To find out, Pilfold and his colleagues estimated the weight lost each day by polar bears in the wilds of western Hudson Bay during the ice-free season, when they could ostensibly be chowing down on terrestrial foods. Then they compared that to the weight lost by bears that are temporarily held in Manitobas Polar Bear Alert Program.

While captive, the bears do not eat. They drop about one kilogram each day. But the wild bears, who had access to the Arctic snack bar, lost the same amount of weight each day. The results are in the journal Physiological and Biochemical Zoology.

"Which is really saying that the terrestrial foods do not have dense enough energy to offset the mass loss. So this idea that bears can just switch from eating sea ice–based food to land food and thats going to help supplement against longer ice-free seasons, that really doesnt show up in the data."

The problem is that polar bears evolved to rely on the marine diet.

"The food on land is protein and carbohydrate based, and the food the polar bears really focus on is fat. Fat is the name of the game for these bears; theyre highly adapted to absorbing that fat into their system and putting it onto their body as body mass, so they can fast on it later on. And the only thing thats going to provide them with that type of fat are marine mammals. And they can only access those marine mammals when theres sea ice."

Adult males can go eight months without food. But younger, sub-adult bears, which are no longer nursing and must hunt, cant last as long without sea ice. So as the Arctic warms, younger polar bears will disproportionately die out. Leaving the species survival in doubt.

北冰洋在秋季结冰以后，北极熊就会出发去寻求它们最喜欢的食物：富含脂肪的海豹和胡子海豹。海冰在夏季开始融化断裂。这使北极熊在夏季无法吃到美味的海豹，所以它们进入禁食期。至少，情况应该是这样。但是由于地球变暖，温暖的无冰季节越来越长。那饥饿的北极熊要怎么办?

科学家曾经认为，北极熊可能会转向陆地上的食物来补充它们对鳍足类动物饮食的需求，进而生存下去，这些陆地食物包括雪雁、雪雁蛋和北美驯鹿。

“文献中有过这类辩论，即在寒冷融化时陆地食物是否能满足北极熊的营养需求。”

尼克·皮尔福德是加拿大阿尔伯塔大学的生物学家。

“通过上世纪70年代初的研究，还有早期的探险者日志，我们很早以前就知道，北极熊会以陆地食物为食。但是辩论的焦点在于，这些食物是否能增加北极熊的能量。”换句话说，这些替代食物能否为北极熊提供足够的营养，弥补不能进食海豹带来的损失?

为了解开这个疑惑，皮尔福德及同事对西哈德逊湾荒野地区的北极熊在无冰季期间每天失掉的体重进行了估算，从表面上看，北极熊在这段时间食用了陆地食物。随后，他们将这一数据与通过马尼托巴北极熊预警计划暂时捕得的北极熊所失掉的体重进行了对比。

在被关期间，北极熊不吃东西。它们的体重每天大约下降1公斤。虽然野生北极熊能享用北极“小吃”，但是它们的体重每天也同样会下降1公斤。这一研究结果发表在《生理学和生化动物学》期刊上。

“显然结果表明，陆地食物不能为北极熊提供足以抵消大量损失的能量。所以，北极熊可以从食用海冰下面的食物转向食用陆地食物，并帮助它们对抗日益延长的无冰季这个观点，并没有在这项数据中得到证明。”

问题是，北极熊进化成了依靠海洋食物的动物。

“陆地食物以蛋白质和碳水化合物为基础，而北极熊需要的食物以脂肪为主。脂肪是这些熊真正需要的东西;它们高度适应的情况是，将脂肪吸收进它们的系统中，然后把这些脂肪放在身上以增加体重，这样它们之后就可以依靠这些脂肪来度过禁食期。唯一能提供给北极熊这种脂肪的就是海洋哺乳动物。但是它们只能在有海冰时食用到这些海洋哺乳动物。”

成年北极熊可以8个月不进食。但是小一些的未成年北极熊已经不再被哺育，它们必须要去猎食，可是它们不能在漫长的无冰季期间一直不进食。所以，随着北极地区变暖，较小的北极熊将会大批死亡。这使这些物种的生存成为问题。

is time for farmers to get ready for their fields.

the second season is summer. the three months are june, july and august. the weather is very hot and it often rains. people can go swimming and sightseeing. it is time for all things to grow up.

the third season is autumn. the three months are september, october and november. the weather becomes cooler and cooler. leaves begin to fall to the ground. it is the harvest time for farmers.

the fourth season is winter. december, january and february are the three months of that season. the weather is very cold, and most of the plants die at that time. sometimes it snows. people can enjoy skating and skiing. but winter doesn t stay with us for a long time, for spring comes again soon.

翻译：

一年四季

一年有四季，每个季节有三个月，每个季节的气候都不一样。生命的轮回由四季控制。

第一个季度是春季。春季的三个月为三月、四月和五月。在这段时间里，天气温暖、晴朗，万物复苏。冬眠的动物们也醒过来了，农民们开始忙农活。

第二个季节是夏季，包括六月、七月和八月。天气非常热，而且老是下雨。人们能游泳、观光。夏季也是万物生长的好时候。

第三个季节是秋季，三个月分别是九月、十月和十一月。天 气越来越凉，树叶开始飘落。这是一个收获的季节。

最后一个季节是冬季，这一季包括十二月、一月和二月。天气非常冷，大多数植物都死了。有时候还下雪，人们可以滑冰和滑雪。但是冬天不会太长，因为春天马上就要来临了。