• 海豚是如何睡觉的?

    20-03-26 海豚在很多方面都和人类很像。比如说海豚有和人类很像的特殊的呼吸系统,唯一的不同是海豚能不呼吸氧气在水下呆很长时间。但是海豚使如何做到睡觉不溺水呢? Since Dolphins are like human being in so many ways. For example, dolphins have a special respiratory...

  • 鲸鱼睡觉吗?Do Whales Sleep?

    20-03-17 鲸鱼是哺乳动物,因此在很多方面它们和人类很像。最重要的区别是鲸鱼和人类的生活环境不同。那么鲸鱼睡觉吗?鲸鱼是如何睡觉的的呢? Whales are mammals, so in many ways, they are just like human beings. The most important difference is that humans and whale...

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