真正学得好的，就能一个公式活学活用，比如物理三大定律三个公式。

来源: Pilsung 于 2020-11-05 17:58:19 [旧帖] [给我悄悄话] 本文已被阅读：次

WENXUECITY.COM does not represent or guarantee the truthfulness, accuracy, or reliability of any of communications posted by other users.