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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在“旧石器时代”的展厅中展览的是19世纪末在叶尼塞河畔所发现的巨大象牙。

The “Old Stone age” hall displays the real mammoth tusks, found on the bank of the Yenisey in the end of the 19th century.

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为获取象牙而偷猎大象。

The elephants are poached for their tusks.

《牛津词典》