| 单词 | 鳍脚 |
| 释义 | 〔pinniped〕A mammal of the suborder Pinnipedia.鳍脚亚目哺乳动物〔clasper〕A posterior extension on each of the pelvic fins of male elasmobranch fishes that aids in the transmission of sperm during copulation.交合突，鳍脚：雄性板腮亚纲鱼的每支腹鳍的前端延伸，在交配中辅助精子的传递〔pinniped〕Of or belonging to the Pinnipedia, a suborder of carnivorous aquatic mammals that includes the seals, walruses, and similar animals having finlike flippers as organs of locomotion.有鳍状肢的：属于鳍脚亚目动物的，肉食水生动物的一个分支，包括海狮、海象及其他类似的用鳍状肢行进的动物 |
| 随便看 |
|
学习网英语词汇栏目收词371507余条，连同派生词、复合词、词组和习语等。每个词条提供了音标、词性、释义、用法、搭配和同（近）义词等多项功能，对所收词汇进行全方位的解释和说明，内容丰富，功能全面。