Common sense 吧。防止飞沫。尤其有出血的情况，防止传染。

来源: lucky_rain 于 2020-03-04 06:56:30 [旧帖] [给我悄悄话] 本文已被阅读：次

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Common sense 吧。防止飞沫。 尤其有出血的情况，防止传染。