| 单词 | megatherian mammal |
| 释义 | megatherian mammal (extremely rare) n WORD FAMILY megatherian mammal n a large extinct ground sloth Syn|Hypo|Hyper megatherian, megatheriid ground sloth, megathere gigantic extinct terrestrial sloth-like mammal of the Pliocene and Pleistocene in America edentate primitive terrestrial mammal with few if any teeth; of tropical Central America and South America |
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