好专业。感觉步频快一点的确不太一样，膝盖震动小多了，不容易受伤。glider大腿发力多一点？

来源: peacemind2 于 2022-10-10 17:53:18 [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.