1000 米实在不算长跑。连要跑20分钟锻炼心脏都不够。怎么也得5公里以上算长跑。

来源: soundofsilence 于 2013-09-23 14:11:46 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

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