舉個例子！ H2O 這個化學名字建立之前，難道水就不是一個氧兩個氫？是硫磺不成？？？？

來源: 風調雨順2020 於 2020-07-31 08:10:45 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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