病從口入，吸煙隻是每天通過口腔進入人體的極少部分。統計上，對人體的影響可以忽略不計。

來源: ligongnan 於 2012-01-05 16:14:29 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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