pinniped

1. Pinniped mammal having external ear flaps and hind limbs used for locomotion on land; valued for its soft underfur.
   鳍足动物，有外耳廓，后肢用于在陆地上行走；以其柔软的下层绒毛而名贵。
2. Spotted seal ( Phoca largha), is a coldwater marine mammal widely distributed in the North-Western Pacific Ocean, one of second-class protected endangered animals in China, the only pinniped animal which naturally breed in Chinese waters.
   斑海豹，西北太平洋广泛分布的冷水性海洋哺乳动物，为我国的二类保护野生动物，属于濒危物种，也是唯一能在我国海域自然繁殖的鳍脚类动物。

noun

1. aquatic carnivorous mammal having a streamlined body specialized for swimming with limbs modified as flippers

   Synonym:    pinniped mammalpinnatiped