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.
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。
Not only for food, but as beasts of burden, as raw materials and assources of captive entertainment — which is the way animals are used in zoos, circuses and the like.
动物不仅用作食物，而且用于驮货、作为原料、作为捕获物供娱乐- 这就是动物园、马戏团之类使用动物的方式。
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