能打就打，要时不时刺激一下免疫系统，产生抗体。

来源: 小心翼翼的小地主于 2012-10-06 12:14:19 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

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能打就打，要 时不时刺激一下免疫系统，产生抗体。