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这个你就有所不知了。
guest1001
(guest111)
人体各处的酸碱平衡是不一样的,在***保持偏酸性。人体自身是有自我保护和杀菌的功能的。如果你用肥皂,只会破坏酸碱平衡,反而可能减弱抵抗力,使细菌可以滋生。
(#254340@0)
Last Updated: 2001-11-8
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请教各位姐妹一个问题。男士知道的也可以回答。
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