After two weeks, the H.I.T. riders, with less than 20 minutes of hard effort behind them, had increased their aerobic capacity as much as riders who had pedaled leisurely for more than 10 hours.

两周以后，这些高强度间歇训练者，总共进行了不到20分钟的高强度训练，他们的有氧能量增加程度已经和那些悠闲的骑了超过10小时的人相同了。

youdao