大家都知道,鲸鱼和海豚都是哺乳动物,就像人一样。那么,它们是否也像人一样睡觉呢?它们是怎么休息的?它们不担心睡觉的时候被淹死吗?下面这篇文章将试着为你解开这个谜。 Whales and dolphins are mammals, so in a lot of ways, they are just like human beings. Among other ...