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为什么金鱼要不停地喝水
更新时间: 2020-09-19 00:00:00  

金鱼不是不停的喝水,那是不停的进行呼吸,因不停的张嘴把水从腮中排出,在排出的过程中氧气被鱼腮吸收把二氧化碳排出达到气体交换的过程,这样鱼就不会缺氧窒息死亡,所以它要不停的呼吸就要不停的张嘴吸水。

关键词: 为什么 金鱼 不停

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