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来源:雅诚德英语网
As you get more comfortable, bring the main workout back to its original level and extend the first run to 40 minutes.
当你渐入佳境,再把主跑时长恢复到正常水平,并将首跑延长到40分钟。
As you get more comfortable, bring the main workout back to its original level and extend the first run to 40 minutes.
当你渐入佳境,再把主跑时长恢复到正常水平,并将首跑延长到40分钟。