易混淆的单词： Fartlek

Novice runners can alternate five to 10 sets of one minute hard running with one minute jogging or incorporate short rests into a fartlek workout .

初阶选手可以进行5-10组的速度训练每组进行1分钟的慢跑或混合运动作为休息，以此构成fartlek训练法。

This treadmill workout is a fartlek workout that will not only help improve your speed , but also help prevent boredom on the treadmill .

这个跑步机锻炼是法特莱克锻炼法，它不仅帮助你提升速度，而且还会帮你避免无聊。