很早以前，美洲骆驼就被驯服为役兽。

The llama was domesticated long ago as a beast of burden.

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美洲驼和骆驼是近亲物种。

The llama is related to the camel.

《牛津词典》

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.

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