你忘了，笑壇是個講科學的壇子。嘴吹出來的氣體裏隻有4%的二氧化碳，氧氣遠多於二氧化碳

來源: 500miles 於 2025-10-09 08:40:16 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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