和我了解的相似。有個ABC孩子從小學數學，到了5，6年級轉學物理，然後參加物理競賽

來源: 兩女寶媽於 2023-05-17 07:21:00 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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