谢谢两位的提醒！高中生，平时戴普通医用

来源: 26351 于 2022-01-11 18:44:41 [旧帖] [给我悄悄话] 本文已被阅读：次

因为要去all state 排练几天，怕空气太差，所以想用KN95

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