我覺得我兒子說的對，當時武漢疫情時那些醫護人員就是靠N95口罩抵擋感染的，說明口罩最有用。

來源: 為人父於 2022-12-15 06:57:00 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

WENXUECITY.COM does not represent or guarantee the truthfulness, accuracy, or reliability of any of communications posted by other users.