| 单词 | jawless fish |
| 释义 | jawless fish jawless fish AHD: [jô“l¹s] D.J. [6d9%8l!s]K.K. [6d9%l!s]n.（名词）Any of several eellike marine and freshwater fishes lacking a jaw and paired appendages that constitute the subphylum Agnatha. The only present-day jawless fish are the hagfish and lampreys.无颚纲鱼类：一个类似鳗鱼的无颚骨的、有一对附肢的海生或淡水无骨鱼种类，属无颚亚门。现存的无颚鱼类仅有盲鳗和八目鳗 |
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