哈哈,也是這樣.我現在跟著弟弟一起學一下物理. 感覺有些概念我也是是而非,等自己把說看了,才能跟弟弟一起討論.

來源: Pilsung 於 2024-09-08 12:34:21 [舊帖] [給我悄悄話] 本文已被閱讀：次

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