我这几天也正在琢磨，为什么跑步机上跑得这么累？比路上跑累多了，理论上不可行啊。谢秒霸解谜！

来源: ruheshihao 于 2023-01-06 09:20:03 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

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