它们有着扁平的小鼻子，因为它们在藏身之处潜伏，而不是像狗一样嗅着气味追寻猎物长达数英里远。

They have little snub noses, since they lurk in hiding places instead of snuffling after prey for miles like dogs.

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南极是许多种海豹的栖息之地，就像这只毛皮海豹，它的大眼睛是用来在黑暗的海水中追寻猎物的，与陆地哺乳动物的眼睛形状稍有不同。

Antarctica is home to many seal species such as this fur seal. Its large eyes are designed to seek out prey in dim waters and are a slightly different shape to a land mammal's.

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