令尊翁真了不起。十分欣賞他的形象性解釋。科學要嚴肅嚴謹，同時要求靈活靈通。水兒好幸福啊！

來源: 寒葦於 2023-05-22 13:33:41 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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