老中一号每星期骑自行车的时间加上游泳的时间肯定比许多跑马拉松训练跑步的时间长
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送交者: HunHunSheng 于 2007-11-18, 19:56:03:
回答: 老中一号，你跑马拉松吗？ 由 湘女 于 2007-11-18, 19:12:35:
The only catch with Marathon is that you must have
one very very long session even though the total
weekly amount of time on exercise may not be
that impressive
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