我朋友的父母（医学院教授兼医生）75/76岁还依然满世界跑去参加大型铁人三项比赛呢，坚持四十多年了就没得过病或膝盖疼过

来源: xianrenzhang. 于 2018-07-22 15:47:12 [旧帖] [给我悄悄话] 本文已被阅读：次

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