Aerobic exercise therefore aims at making the heart and lungs work at a higher rate so as to supply more oxygen to the muscles.
因此，有氧运动旨在使心脏和肺以较高的速度运作，借此给肌肉提供更多的氧气。
Since the more important fermentations occur exclusively under aerobic conditions a good supply of oxygen or air (sterile) is needed.
由于更重要的发酵只发生在有氧条件下的氧气或空气好电源(无菌)是必要的。
Normally, the blood supply to the placenta increases to provide more oxygen and nutrients.
正常情况下，血液为胎盘的增长提供更多的氧和营养。
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