我有一个，很少用，主要还是乏味。Treadmill用得多，跑步走路都用。

来源: Manymore 于 2014-11-04 12:59:17 [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.