太及時了，感謝您，周先生！我的經驗也是有效的，起碼給呼吸道築起一道防線。簡單易行，why not呢。

來源: 古樹羽音於 2023-02-12 05:23:52 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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