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狗为什么害怕要把尾巴夹起来
更新时间: 2020-10-25 00:00:00  

狗在害怕的时候把尾巴夹起来,是因为狗的肛门左右有两个腺体,腺体会释放出12种特殊信息的气体。狗的肛门区散发出来的气味是每一只狗所特有的、表明它身份的气味。狗尾巴下垂,可以收敛自身的气体,以此来向另一方示弱,这是狗自身自保的一种方式。

关键词: 为什么 害怕 尾巴 起来

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