她的意思可能是42分钟跑6公里，强度不高。两年时间对任何一项运动都算初学，慢慢就会适应了。

来源: coach1960 于 2018-07-19 14:58:16 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

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