理论上有难度，但是，网球场有很多小个儿高手，比如张德培。

来源: mychina 于 2024-02-26 07:50:53 [博客] [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.