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傻叫
Sunday, April 24, 2005
所谓的“西班牙苍蝇”是一种甲虫,属于斑蝥的一种。
其分泌的有毒物质斑蝥素,具有极强的刺激作用以防止鸟类啄食。
对于将其误食下去的大型牲畜,斑蝥素能刺激其尿道神经,使牛马等动物感到下体有强烈的灼烧痛苦感,不得不摩擦下体以缓解痛苦。
对着石块树木摩擦也不是什么事,于是就挑最舒服的雌性上鸟
人类看到这牲畜吃了甲虫就好像“性欲大发”,其实它们是在缓解痛苦罢了
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