02363351-n
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| 美洲 河狸, 美洲河狸, 河狸 |
| New World beaver, Castor canadensis |
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a variety of beaver found in almost all areas of North America except Florida ❲Castor canadensis❳ |
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02363245-n
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| 旧 世界 水狸, 一 种 河狸, 一种河狸, 旧世界水狸, 河狸 |
| Old World beaver, Castor fiber |
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a European variety of beaver ❲Castor fiber❳ |
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02363681-n
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| 山 河狸 科, 山河狸科, 河狸 |
| Aplodontiidae, family Aplodontiidae |
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mountain beavers ❲Aplodontiidae❳ |
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02363005-n
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large semiaquatic rodent with webbed hind feet and a broad flat tail; construct complex dams and underwater lodges |
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