口腔，上呼吸道總有長居病毒和細菌存在，腸道的細菌數量是最多的，我覺得應該不算醫學和生理意義上的體內

來源: 楊別青於 2021-01-31 20:30:44 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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