黏附在固體表麵的是大顆粒,飄不起來.病毒要飄進你的口鼻才能感染,或者摸了固體表麵病毒又去碰自己的眼口鼻.

來源: 5181 於 2022-12-01 08:22:04 [舊帖] [給我悄悄話] 本文已被閱讀：次

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