在中美洲及南美洲茂密的热带森林里,生活着一种很奇异的动物——树懒。树懒是一种懒得出奇的哺乳动物,它们的生活写照就是一个大写的懒字:什么事都懒得做,甚至懒得去吃,因为懒得张嘴,它们能耐饥一个月以上……树懒的一生几乎是静止的。树懒以树为家,它倒挂在树枝上,基本只吃能够得着的树叶;它吃树叶、果实几乎不嚼,只是含在口里让食物慢慢腐烂;它们懒得喝水,反正叶子里就含水;食物含够了,它们就倒吊在树枝上睡觉, In the lush tropical forests of Central and South America, there is a bizarre animal - the sloth. Sloth is an overly lazy mammal, their portrayal of life is an uppercase lazy words: do nothing too lazy to do, or even bother to eat, because lazy mouth, they can withstand hunger for more than a month ... ... almost all the life of the sloth It is still. The sloth is home to a tree, and it hangs upside down on the branch, basically eating only the leaves that are available; it eats the leaves, the fruit barely chews, and the food slowly decays in the mouth; they are too lazy to drink water anyway It contains water; enough food, they are hanging upside down on the branches,