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。
第一个发现是巨型树懒的肱骨，或上臂骨。
The first find was a humerus, or upper arm bone, of a giant ground sloth.
树懒的大部分时间都在树上度过。
我看见树懒了！孩子在他手里！
爱丽丝：我知道树懒也很喜欢睡觉。
犰狳和树懒化石让他获得了灵感。
狐狸：嗨，树懒，想听个笑话吗？
你在干嘛？我让树懒…名垂千古。
慢点儿，慢点儿，慢点儿，树懒说。
这是世界上第一张“树懒拍”吗？
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.
树懒宝宝炫耀他可爱的脚。
你在威胁我吗？走，树懒！
这是一只文雅的树懒！
慢慢的、慢慢的、慢慢的、这只树懒睡着了…
可是树懒没有回答。
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.
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.
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