The Finless Porpoise is another resident marine mammal species.

此外,江豚是另一种在本港海域栖居的海洋哺乳类动物.

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It is actually rare for a marine mammal to drown, as they won't inhale underwater.

由于海洋动物不在水下吸气, 所以它们事实上很少会溺死.

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Obviously sleeping safely at sea can pose problems, but the marine mammal system has addressed them.

显然安全地在海里睡觉会产生一些问题, 但海洋动物的系统已解决了这些问题.

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