The heavy demands of her job; the emotional demands of his marriage; an increased oxygen demand.
她工作的高强度要求；他婚姻上的情感要求；增长的氧气需求。
Aerobic exercise, a method of conditioning the cardiorespiratory system by using a variety of activities that create an increased demand of oxygen over an extended period of life.
如何提高心肺功能通过有氧运动。有氧运动指由于人体在一段持续时间内进行的身体活动而使身体对氧气需求量增加的一种状态。
When you feel tensed, there is an increased demand of oxygen for your brain.
当你感到紧张时，大脑的需氧量增加。
When you feel tensed, there is an increased demand of oxygen for your brain.
当你感到紧张时，大脑的需氧量增加。
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