Organ of locomotion and balance in fishes and some other aquatic animals.

鱼类和其他水生动物运动和保持平衡的器官。

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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。

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