試驗證明口罩戴20分鍾，細菌的積累和培養就很驚人了。你每隻口罩都是隨手扔嗎？

來源: OneMoreCent 於 2022-01-10 09:21:57 [舊帖] [給我悄悄話] 本文已被閱讀：次

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