【动】海牛
〈动〉海牛
[动]海牛(水生哺乳动物,体宽扁,尾圆,有鳃壮肢)
any sirenian mammal of the genus Trichechus, occurring in tropical coastal waters of America, the Caribbean, and Africa: family Trichechidae. They resemble whales and have a prehensile upper lip and a broad flattened tail
1. sirenian mammal of tropical coastal waters of America; the flat tail is rounded
(synonym)
(hypernym) , ,
(member-holonym) ,
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【动】海牛
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