竞赛的孩子都是家长给小灶培训，不过美高的物理教的太差劲，没小灶的话连基本概念和思维都训练不出来。

来源: whaled 于 2025-08-10 11:19:16 [旧帖] [给我悄悄话] 本文已被阅读：次

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