需氧运动的英文：
aerobic exercise

aerobic是什么意思：
adj. 有氧的；有氧健身的

Aerobic exercise increases capillary development in the brain.
有氧运动促进了大脑内毛细血管的生长。

Skipping is one of the most enjoyable aerobic activities.
跳绳是最有乐趣的有氧健身运动之一。

The slime layer consists of one aerobic and one anaerobic sublayer
粘膜层由好气分层和厌气分层所组成。

Many natural fibers decay rapidly when exposed to aerobic cultures
许多天然纤维在需氧菌的侵袭下则迅速腐坏。

Mitochondria are the sites of aerobic respiration, and generally are the major energy production center in eukaryotes.
线粒体是有氧呼吸的场所，同时也是真核生物主要的能量产生中心。

exercise是什么意思：
n. 运动，锻炼；练习，习题
v. 锻炼，操练，练习

The exercise is that difficult!
练习题那么难！

morning exercises and setting - up exercises duringthe break
早操和课间操

Exercise stimulates the flow of blood.
锻炼促进血液循环。

Exercise is good for the health.
锻炼有益于健康。

exercising in preparation for strenuous activity.
为紧张活动而做的准备活动。