The Truth about Exercise 运动的真义 ; 锻炼的真相 ; 关于锻炼的真相
About Doing Physical Exercise 关于体育锻炼
The Exercise about Circle 圆的练习
exercise for about 30 minutes 锻炼约30分钟
Discussions about an exercise 从一道习题谈起
He will then answer our members' question about exercise.
然后他将回答我们会员关于运动的问题。
My ideas about exercise have been simplified over the years.
这些年来,我对于锻炼的看法越来越简化。
If you are still worried about exercise for osteoporosis,try taking a walk.
VOA: special.2010.08.31
For example, you could be talking with a friend about exercise,
例如,你在跟一个朋友谈论锻炼的话题,
Without worrying about the economics of it a second, how would we find that just as a math exercise?
不需要考虑经济学的理论,用数学的方法怎么来求解啊
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