東亞人鼻孔直徑比歐美人小一半, 橫戴麵小1/4. 如果隻用鼻子呼吸, 假設其它條件相同, 產生同樣能量, 需要4次呼吸

來源: 選民於 2022-11-01 11:40:30 [舊帖] [給我悄悄話] 本文已被閱讀：次

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