然后他们在三趾树懒的基因组中发现了同样的病毒。
They then found the same virus lurking in the genome of the three-toed sloth.
树懒熊也有相对较大的犬齿，它们似乎更适合战斗而不是觅食。
Sloth bears also have relatively large canine teeth, which appear to be more functional for fighting than for foraging.
和棕熊和北极熊一样，树懒熊可能是在树木稀少的环境中进化而来的。
Like brown bears and polar bears, sloth bears may have evolved in an environment with few trees.
你的孩子需要一些家规，否则他就会变成一只树懒，他的房间就会变得像一只沙鼠的笼子。
Your teen needs some house rules, else he becomes a sloth and his room begins to seriously resemble a gerbil cage.
《疯狂动物城》是他们第一次看到树懒这种生物，但是人们现在很想知道更多关于这些动物的信息了。
"Zootopia" is the first time that they have even seen a sloth, but people now are keen to know more about these animals.
美洲巨型动物的消失——猛犸象、剑齿猫、巨型树懒等等——发生在人类出现后不久，大约在一万三千年前。
The disappearance of megafauna in America—mammoths, saber-toothed cats, giant sloths, among others—happened relatively soon after the arrival of human beings, about 13,000 years ago.
在北美洲生活着各种各样的巨兽，如猛犸象和乳齿象，都是长着巨大象牙的象状动物，还有骆驼和巨大的树懒，名单待续。
North America was populated by a wide variety of great beasts, like mammoth and mastodons, both elephant-like creatures with big tusks, and camels, giant sloths, the list goes on.
也有温和的动物，比如树懒和粉红海豚。
There are also gentle animals, like the sloth and the pink dolphin.
三趾树懒每天要睡9.6小时。
她先在最喜欢的动物里九游：鬣蜥和树懒。
树懒的大部分时间都在树上度过。
犰狳和树懒化石让他获得了灵感。
你在干嘛？我让树懒…名垂千古。
一只新生的小树懒在睡梦中露出微笑。
大部分时间里树懒都是倒挂在树枝上。
The sloth spends most of its time hanging upside down from the branches.
这是一只文雅的树懒！
可是树懒没有回答。
“管好你自己吧”树懒也是食蚁兽和土豚的亲戚。
Mind your own business. "The sloth is a relative of the anteater and the aardvark."
就像这样树懒基本只吃树叶因为树叶大都不会逃跑。
As it is, the sloth mainly eats leaves because they tend not to run away.
地懒是已经灭绝的树懒的一个子类，属哺乳纲贫齿目。
Ground sloths are a diverse group of extinct sloths, in the mammalian superorder Xenarthra.
好吧，如果你们俩有谁过得了前面这个坑，树懒就归你们。
OK, if either of you make it across that sinkhole in front of ya, you get the sloth.
太恐怖和庞大的动物我总觉得不那么友好，就只选树懒留了合影。
Animals which were too big or too scary made me feel uncomfortable. So I chose to take a photo with a sloth.
闪电 是一只树懒公务员，也是动物车辆管理局效率第一的员工。
FLASH isthe fastest sloth working at the DMV—the Department of Mammal Vehicles.
在《疯狂动物城》中，机动车部门的职员是世界上最慢的哺乳动物树懒。
The department of motor vehicles in "Zootopia" is staffed by sloths, the world's slowest mammal.
两趾树懒，选自《布雷姆的动物生命》第2卷，莱比锡维也纳，1900年。
Two-toed sloth. From Brehms Tierleben (Brehm's animal life) vol. 2, under the direction of Alfred Edmund Brehm, Leipzig Vienna, 1900.
在北京动物园的美国动物展区有几只二趾树懒，在最近这段日子里非常受欢迎。
At Beijing Zoo, the American animal enclosure, which has several two-toed sloths, has been very popular in recent days.
有些树懒看起来是绿色的因为它们的毛上长有藻类植物这给它们提供了伪装保护。
Some sloths appear green because they have algae growing on their fur which provides them with camouflage.
在约二百五十万年前，长毛犀与长毛象、大树懒及其他冰河巨兽活跃在欧洲和亚洲的土地上。
It cavorted with woolly mammoths and giant sloths and other Ice Age behemoths in Europe and Asia, starting about 2.5 million years ago.
在此期间，我鼓励你们去哥斯达黎加进行自己的研究，探索那些美丽的海滩，或欣赏那些懒树懒。
In the meantime, I encourage you to conduct your own research in Costa Rica, exploring those magnificent beaches or admiring those slothful sloths.
在此期间，我鼓励你们去哥斯达黎加进行自己的研究，探索那些美丽的海滩，或欣赏那些懒树懒。
In the meantime, I encourage you to conduct your own research in Costa Rica, exploring those magnificent beaches or admiring those slothful sloths.
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