| 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 |