鼻孔是最窄的地方, 到了喉嚨就和咽喉會在一起, 通道大得多, 這就是為什麽感覺氣不夠的時候需要用嘴呼吸

來源: 選民於 2022-11-01 12:37:23 [舊帖] [給我悄悄話] 本文已被閱讀：次

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