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微距拍摄臭虫：唾液中含麻醉剂与抗凝血剂(图)(8)
2010-09-17 08:10:43 中华网论坛 【大 中 小】 发表评论
    

    8. 头部特写

微距拍摄臭虫：唾液中含麻醉剂与抗凝血剂(图)

头部特写

    臭虫的唾液中含有一种麻醉剂，因此它们在叮咬人类的皮肤时，人类很难发现它们。此外，唾液中还有一种抗凝血剂，当它们吸血时，血液可以流动得更加顺畅。

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