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单词 Portunidae
释义

Portunidae

plural noun

Por·​tu·​ni·​dae
: a family of crabs (superfamily Brachyrhyncha) consisting of the swimming crabs and having a subquadrate carapace and the last pair of legs usually with the terminal joint flattened like a paddle

Word History

Etymology

New Latin Portunus, type genus + -idae

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