The legs were strong and ended in long feet very much like those of a modern pinniped.
它的后肢很强壮，底部有长足，非常像现在的鳍足类动物。
As the killer whales moved in, the plucky pinniped leapt on to the vast ribbed belly of a humpback, and nestled in the animal's armpit.
这头杀人鲸游过来的时候，这只勇敢的鳍足类动物跳上了座头鲸庞大的肋腹部，躲在它的腋窝下。
As the killer whales moved in, the plucky pinniped leapt on to the vast ribbed belly of a humpback, and nestled in the animal's armpit.
这头杀人鲸游过来的时候，这只勇敢的鳍足类动物跳上了座头鲸庞大的肋腹部，躲在它的腋窝下。
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