我没说清楚。练速度其实不是追求速度，而是练心肺，增加些无氧。

来源: 羽绒服于 2023-11-27 13:50:37 [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.