慢跑是什么概念？我的慢跑是14分钟一哩，心跳勉强达到zone2，我觉得够呛能提升呀。

来源: kittencats 于 2023-12-19 09:38:54 [旧帖] [给我悄悄话] 本文已被阅读：次

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