只是乱写，我觉得节奏同等重要 ... jumpup and step-down ...

来源: billnet 于 2012-01-09 13:49:35 [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.