Training at this zone improves your aerobic endurance i. e. the ability to do prolonged exercise without fatigue.

这个区间训练能够提升你的有氧耐力能力长时间运动却无疲劳感。

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In Middle School P. E. teaching, the focus of 400-metre race training should be put on speed and endurance, that is, on how to lengthen the duration of speed summit.

中学体育教学中，400米跑训练的重点应该放在速度耐力上，即如何延长保持速度颠峰的时间。

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The American College of Sports Medicine recommends that endurance and strength training athletes consume higher levels of daily protein than the standard recommended daily allowance (i.e. 1.2-1.7 grams of protein for each kilogram of body weight, versus 0.8 grams per kilogram per day).

CNN: Could low iron, protein contribute to soreness after exercise?