adj.鰭足類的

n.鰭腳亞目哺乳動物

pinniped mammal having external ear flaps and hind limbs used for locomotion on land; valued for its soft underfur. 鰭足動物，有外耳廓，后肢用于在陸地上行走；以其柔軟的下層絨毛而名貴。

pinniped mammal having external ear flaps and hind limbs used for locomotion on land; valued for its soft underfur 鰭足動物，有外耳廓，后肢用于在陸地上行走；以其柔軟的下層絨毛而名貴

pinniped mammal having external ear flaps and hind limbs used for locomotion on land; 鰭足動物，有外耳廓，后肢用于在陸地上行走；

"Either of the two largest pinniped species: the northern elephant seal, of coastal islands off California and Baja California, or the southern elephant seal, of sub-Antarctic regions." 鰭腳亞目海豹科兩種最大的鰭腳類水生哺乳動物的統(tǒng)稱,即:北方小吻象海豹,主要棲于加州和墨西哥下加利福尼亞的沿海島嶼;南方象海豹,棲于整個南極附近地區(qū)。