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jawless

更新日期:2026-08-14

词语 jawless
释义

jawless
释义
无颚的
例句
1·Any of various primitive elongated freshwater or anadromous fishes of the family Petromyzontidae, characteristically having a jawless sucking mouth with rasping teeth.
七鳃鳗,八目鳗一种七鳃鳗科的原始细长淡水或溯河产卵鱼,特点是长有无。

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