When you ride a bike, you exercise all of the leg muscles.
《柯林斯英汉双解大词典》
2
我们的研究表明通过恰当的热身，患者可以提高他们腿部肌肉的氧化作用和表现，有助于提高锻炼耐力。
Our study shows that by warming up properly, patients can improve the oxygenation and performance of their leg muscles, which is beneficial in promoting exercise tolerance.
3
滑冰肯定是一种不同的交叉训练方式。但是，它同跑步一样锻炼了腿部的大块肌肉。
Skating would certainly be a different method of cross-training; however, it also USES the large muscles of the legs much like running does.
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