我们只是在做运动啊。
Some people are doing exercises.
有些人在做练习题。
Make a comparison between these positive and negative effects, and you will find that we should spend one or two hours a day doing exercises.
比较这些积极影响和消极影响，你就会发现，我们每天都应该花一两个小时进行锻炼。
I get sick of sitting there and doing exercises again and again.
我厌倦了坐在那里，一遍又一遍地做练习。
By doing exercises, we can always stay healthy.
借着做运动，我们能够始终保持健康。
He is doing exercises in English.
他在做英语练习。
First, I must keep doing exercises.
首先，我必须保持做运动。
Finally, doing exercises is essential.
最后，锻炼身体也是必要的。
Finally, doing exercises is essential.
最后，体育锻炼是必不可少的。
You need to relax after doing exercises.
做完有氧运动需要放松。
He's doing exercises to improve his figure.
他在做体操以改善体形。
They are doing exercises on the playground.
他们正在操场上做操。
He fell asleep while he was doing exercises.
（时间段）他在做练习时睡着了。
He's doing exercises in English composition.
他正在练习英文作文。
He remains full of energy by doing exercises.
他通过锻炼来保持充沛的精力。
I want to keep fit by doing exercises regularly.
我想通过经常锻炼来保持体形。
Let's keep healthy by doing exercises every day.
让我们通过每天锻炼来保持健康吧！
She is considerably more tired from doing exercises.
她做练习做得相当累。
My father keeps fit by doing exercises every morning.
我爸爸每天早上做操保持健康。
My mother keeps healthy by doing exercises every morning.
我妈妈每天早上做操保持健康。
You spend too much time watching TV and too little time doing exercises.
你看电视太多，花在运动上面的时间太少。
Lili: All right. Look, there are people doing exercises everywhere.
丽丽：也好。你看，到处都有人在锻炼。
I like sports very much, because doing exercises is good to health.
我很喜欢体育运动，因为运动对身体有好处。
I want to play table-tennis. Do you want to join me? No, I'm doing exercises.
我想打乒乓球。你想加入我吗？不，我正在做操。
You are perfectly OK doing exercises such as squats and lunges without weights.
你完全可以做一些没有重量的运动，如下蹲和弓步。
What's more, when you are in bad mood, you can feel better through doing exercises.
更重要的是，当你心情不好的时候，通过运动可以让心情变好。
Second, we should strive to improve their achievements in the process of doing exercises.
第二，要在做习题的过程中努力提高自己的成绩。
Second, we should strive to improve their achievements in the process of doing exercises.
第二，要在做习题的过程中努力提高自己的成绩。
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