对的，我们和很多病毒细菌共存，我学校里记得有教过条件致病菌，寒冷就应该是一种条件。　

来源: jianchi9090 于 2022-12-10 19:45:50 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

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