也不一定，光子可能很不靠譜，一個能憑空變成倆。要不然上帝為啥說要有光，他咋不說要有大米？

來源: 天方化戟於 2018-11-07 08:33:45 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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