精品動物的英語作文3篇(英語小動物的作文)

時間：2022-06-28 17:22:00 綜合范文

　　下面是范文網(wǎng)小編收集的精品動物的英語作文3篇(英語小動物的作文)，供大家參閱。

精品動物的英語作文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祖先，它們是在大約50萬年前左右開始向不同分支進化。

　　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化到人類各個種群中也還是發(fā)生在大概1萬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。

精品動物的英語作文2

　　I have a little white rabbit. It is snow and white, really like a mass of white cotton. Eyes are very beautiful, like two rubies inlaid in the white face. Ears are very long, put up is particularly clever. It signed the front legs short and small, hind legs are fat and strong, so can only jump, can not run. Tail is also very small, almost can not see. It stands like a man.

　　I remember one time I pulled a radish from the yard, it did not even jump with me in front of me, while I do not pay attention to the mud with the mud to Diao away. I always do not want to let it eat unclean things, this time and as usual, we have done a fierce "struggle", of course I will win, when I put the clean radish in front of it, it thought me Throw in the towel, they triumphantly eat radish.

　　My little rabbit is so cute!