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實(shí)用的寫動(dòng)物的英語(yǔ)作文集合7篇
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寫動(dòng)物的英語(yǔ)作文 篇1
A triple bacon cheeseburger seems like a heart attack on a plate.
三層奶酪咸肉漢堡感覺吃完很容易讓人突發(fā)心臟病。
So how can polar bears thrive on their version, seal blubber?
那么,北極熊是如何處理這些高熱量食物的呢?
Turns out they've stocked up on genes that let them clear fats from their blood.
結(jié)果顯示它們儲(chǔ)存在遺傳基因里的信息使得它們能夠清除血脂。
That's according to a study in the journal Cell.
這是根據(jù)《細(xì)胞》雜志上的一篇研究得出的結(jié)論。
Polar bears are well adapted to life on the sea ice.
北極熊非常適應(yīng)在浮冰上的生活。
Up to half their body weight's fat, which gives them extra insulation and buoyancy, and provides them with a ready source of energy.
幾乎占它們身重一半的脂肪足以使它們保暖并且維持體力，提供給它們一種易轉(zhuǎn)化的能量。
But how can an animal so fat also be so fit?
但一種動(dòng)物怎么能又胖又健康?
Researchers compared the genomes of polar bears with those of brown bears, and found that polar bears have accumulated genetic changes that boost their heart health and fat metabolism.
研究人員們通過比較北極熊和棕熊的基因，發(fā)現(xiàn)北極熊的基因組中積累了不少有利于心臟健康和脂肪代謝的遺傳突變。
One gene in particular, called ApoB, helps move cholesterol out of the blood—where it causes problems in humans—and into cells.
特別是編碼為載脂蛋白B的基因有助于清除血液中對(duì)人類有害的膽固醇轉(zhuǎn)變成細(xì)胞代謝。
These genomic changes happened quickly, evolutionarily speaking.
這些遺傳變化從進(jìn)化的角度來講發(fā)生的十分快。
Polar bears and brown bears diverged from a common ancestor less than half a million years ago.
北極熊和棕熊都來自于同一個(gè)祖先，它們是在大約50萬(wàn)年前左右開始向不同分支進(jìn)化。
But if that seems super speedy, the ability to digest lactose didn't spread through human populations until we domesticated cows, just 10,000 years ago.
但是如果這種變化看上去十分快速的.話，消化乳糖的酶逐漸進(jìn)化到人類各個(gè)種群中也還是發(fā)生在大概1萬(wàn)年前我們可以馴化乳牛之后。
A moooving testament to the power of natural selection.
這是自然選擇力量的證明。
寫動(dòng)物的英語(yǔ)作文 篇2
I had a lovely pet before. It’s a dog. But it died yesterday. It was hit by a car. Yesterday, it went out to play with its friends. When it went across the road, it was hit. I am very sad about this. My dog has come to my home for two years. It was like a family of mine. Before, I played with it everyday. We had much happy time together. But now, it left me. It would never come back. I miss it very much. My parents want to buy a new one for me, but I don’t want to, because it’s not my dog any more.
寫動(dòng)物的英語(yǔ)作文 篇3
The little Rabbit has a coat of white hair.The two ears are long and prick up on its head.
It is furry,soft and white with two red eyes glaring above the chin.
Its eyes are like a pair of small red hulbs.
Exposed to sunlight,they become little pieces of red thread.
寫動(dòng)物的英語(yǔ)作文 篇4
I have got two baby cats. they are very beautiful. One is yellow.
The other is white. they are very lovely. the yellow cat is very naughty.
He likes to play with people. He often runs here and there.
His favourite game is playing with balls, ropes and stones. But the white cat is very gentle.
She likes to wash her face. And she doesn′t like to play with people.
She often jumps onto my knees. I like to give her a bath.
Oh, my baby cats bring me much happiness. We are very good friends. I love them.
寫動(dòng)物的英語(yǔ)作文 篇5
我最喜歡的動(dòng)物 My Favorite Animal
Do you know what kind of animal I like most? It’s monkey. Monkey is a kind of lovely animal. Many people like monkeys very much. Generally, monkey has small body covered with fur. Some kinds of monkeys have two big eyes and ears and a long tail. I can see them on TV or the zoo. Every time I go to the zoo, I will go to see them. Monkeys often stay in trees and jump between them. They are so lively and favorable. When they are happy, they will act for visitors. It’s very funny.
你知道我最喜歡的動(dòng)物是什么嗎?是猴子。這是一種非常可愛的動(dòng)物，很多人都非常喜歡它們。一般來說，童子的'身子比較小，身上長(zhǎng)滿了毛。其中的一些種類有兩只大眼睛、大耳朵和一條長(zhǎng)尾巴。我可以在電視上或動(dòng)物園里看見它們。每次我去動(dòng)物園，我都會(huì)去看猴子。它們常常待在樹上，在樹木之間跳來跳去，非常活潑，討人喜歡。它們高興的時(shí)候，還會(huì)特別表演給游客看，非常好玩。
寫動(dòng)物的英語(yǔ)作文 篇6
my favorite animai is cat,because they're very cute,smart and friendly.they're yellow,white,black.they're have small nose,small ears,big eyes and small mouth.i like cats very much.
Panda—the National Treasure
Panda is one of the scarcest animals.People in the world like it very much.There used to be many pandas in China long ago.As the balance of nature was destroyed and the weather was getting warmer and warmer,pandas became less.But at present,the number of pandas is increasing year by year.There are now so many pandas that some are being sent to other countries so that people there can enjoy them.
Nowadays,the biggest nature park for panda in China is in Sichuan.There is a research centre for nature and wild life there.Scientists hope that one day they will have enough pandas to be set free and let them live in the wild again.
寫動(dòng)物的英語(yǔ)作文 篇7
i have a pet dog, it”s name is bear. it is a lovely dog. it was born in 20xx. it has a pair of big black eyes, and it is black all over. it has four long legs and a long tail. it often play with me, i love it very much.
【i have a cat 】 i have a cat .its name is mimi. it's very lovey.my family all like it.
it always plays with me every day .it has black and white fur.as long as we say'mimi',it right away runs to you.
it's very good!so my family all like it!
【pig的作文】 mother gave me a lovely "pig" made of cloth on my tenth birthday. it was very lovely. the pig was dressed in blue. he had a red face and a little mouth. his two ears were just like two fans. he really looked funny. there was always a smile on his face. he must be a happy "pig" , i think.
【寫海馬的作文】 there are all kinds of horses in the world. but one of them you can't ride. it doesn't live on land, but in the sea. it looks like the head of horse. so the people call it sea horse. in fact, the sea horse is a small fish. it likes to live in warm water. a sea horse stands up in the water when it swims.
father horse carries the eggs to keep them safe in its pouch. when the eggs are hatched, the baby horses swim away.
【i have a litte dog】 i have a litte dog"xiao pang".because it is very tittt small.it'yellow and brown.it olways run with me.it is so big.it like eat meat and rice. sometime i call it"xiao pang ", then it runs towe fast.
i have a litte dog"xiao pang".because it is very tittt small.it'yellow and brown.it olways run with me.it is so big.it like eat meat and rice. sometime i call it"xiao pang ", then it runs towe fast.
i love my dog.
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