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我知道苍蝇消化食物的时间,7秒钟,也就是说,一只苍蝇如果在你身上待了7秒以上,它从你身上吃的东西就又拉到你身上了。不过也就因为这样,苍蝇才不怕任何传染病,因为到现在为止,没有发现任何一种病毒或细菌能在7秒内繁殖扩散。
lester
(黑龙)
(#349591@0)
Last Updated: 2002-1-27
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