與人麵對麵六尺以內才需要戴口罩，其實絕大多數被傳染都是吃飯喝水時取下口罩傳染的，取下口罩的時候才更需要提高警覺

來源: 難得糊塗一次於 2021-02-14 08:42:32 [舊帖] [給我悄悄話] 本文已被閱讀：次

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