pinnipedia
n. 鳍脚目;鳍足亚目
例句
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。