exercise与exercises区别,两者联系,要怎么用?

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exercise与exercises区别,两者联系,要怎么用?
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exercise与exercises区别,两者联系,要怎么用?
exercise与exercises区别,两者联系,要怎么用?

exercise与exercises区别,两者联系,要怎么用?
它解释为运动时是不可数名词
If you don't get more exercise,you'll get fat.
解释为习题时才可数
school work exercises
[C]为可数~`即可以加S
[U]为不可数~不加S
n.
1.运动,锻炼[C][U]
Swimming is one of the healthiest forms of exercise.
游泳是最有益于健康的运动方式之一.
2.练习;习题[C]
Do the vocabulary exercise at the end of the chapter.
做这一章末尾的词汇练习.
3.【军】演习;操练[C]
4.(特定的)活动;行动[S][(+in)]
5.(权力,权利等的)行使,运用[S][(+of)]
The government must be careful in its exercise of power.
政府在行使其权力时必须小心谨慎.
6.【美】仪式,典礼[P]
Graduation exercises are usually held in June.
毕业典礼通常在六月举行.
7.礼拜;宗教仪式
vt.
1.锻炼;操练;练习
2.运用,行使
The King cannot exercise much political power.
这位国王能行使的政治权力并不多.
3.使忙碌;使担忧;使惊恐
vi.
1.练习;运动
I think you should exercise more.
我认为你应该多运动运动.

当做体育锻炼时候不加s
练习加s(习题等)