謝謝這個細致的觀察，飲水問題，我們應該仔細討論，一輩子喝進去上百頓水，所夾帶的病毒細菌藻類不計其數。。。

來源: 禦用文人於 2016-06-07 21:15:50 [舊帖] [給我悄悄話] 本文已被閱讀：次

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