柯林斯詞典pinniped /?p?n??pi?d??n/ (also pinnipedian) →compare fissiped 1. ADJ of, relating to, or belonging to the Pinnipedia, an order of aquatic placental mammals having a streamlined body and limbs specialized as flippers: includes seals, sea lions, and the walrus 鰭腳亞目動(dòng)物的2. N any pinniped animal 鰭腳亞目動(dòng)物 返回 pinniped