絕大多數的細菌有細胞壁，有些還有莢膜，要很高濃度的鹽水才能殺死。口腔表麵的細胞遠比細菌脆弱，更容易被破壞。

來源: fuz 於 2022-11-21 18:49:19 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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