长跑,应始于青少年,成长期,身体适应性强。养成习惯,可以跑一生。三十岁以后开始长跑,会出现许多问题。五十岁以上开始练,危险
本帖于 2021-11-16 20:30:55 时间, 由普通用户 fuz 编辑
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