取决于你那属重疫区，还是非重疫区？戴口罩是给自己加层防护。

来源: pickshell 于 2020-03-29 09:00:02 [旧帖] [给我悄悄话] 本文已被阅读：次

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取决于你那属重疫区，还是非重疫区？ 戴口罩是给自己加层防护。