服刑人员花许多的时间在室外；监狱鼓励体育锻炼。
Prisoners spend a lot of time out of their cells; exercise is encouraged.
我也认为我们应该在体育锻炼方面多花点时间。
I agree that we should spend more time on physical training.
近十分之四年过五十的人说，他们现在有时间经常参加体育锻炼了。
Nearly four in 10 over-fifties say they now have time to play sport regularly.
现在是体育锻炼的时间。
你应多花些时间进行体育锻炼。
当你工作忙的时候是很少有时间进行体育锻炼的。 。
David: : Well, it is difficult to exercise when you have a busy job.
有人认为体育锻炼完全是浪费时间。
Some people think that physical exercise is a total waste of time.
你愿意用课外时间来进行体育锻炼，还是做其它活动？
You want to use the extra time to exercise, or doing other activities?
要加强体育锻炼，减少坐着的时间。
Increase physical activity and reduce time spent in sedentary behaviors.
不同锻炼阶段参加闲暇体育锻炼的频度、时间和强度差别具有显著性；
There is significant different for exercise frequency, time and intensity at different stage.
由于很长时间没有进行体育锻炼了，他在校运会上跑得很慢。
Not having exercised for a long time, he ran slowly in the sports meeting.
尽量按时吃饭，起居有规律，每天安排一段时间进行体育锻炼。
Best time to eat, living a regular day, arrange a time to exercise.
另外一部分认为体育锻炼浪费时间。
另外一部分认为体育锻炼浪费时间。
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