本人教師，先後已經有5個學生中招。按他們經曆，去戶外散步和不斷濕潤喉嚨能明顯減輕各種不適。

來源: 無機塑料於 2022-04-16 17:41:36 [舊帖] [給我悄悄話] 本文已被閱讀：次

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