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1·I do exercise with my friends.

我和我的朋友一起锻炼。

2·We are supposed to do exercise once or twice a day to keep healthy.

我们应该每天锻炼一两次以保持健康。

3·How often should I do exercise?

我应该多久运动一次？

4·It is really good to do exercise.

做运动真的很好。

5·I take out a skipping rope and do exercise.

我拿出一个跳绳做运动。

6·He eats unhealthy food and doesn't do exercise.

他吃不健康的食物并且没有做锻炼。

7·I'm so exhausted that I can't do exercise anymore.

我太累了以至于再也没法锻炼了。

8·Find out where to do exercise, and it will make it more suitable for you.

找到锻炼的地方，它会更适合你。

9·If it's really cold outside, you might even try a quick shower to get you warm before you do exercise.

如果外面真的很冷，你甚至可以试着在运动前快速冲个澡让自己暖和起来。

10·Your brain gets more oxygen when you do exercise like a 20-minute walk.

当你进行像步行20分钟这样的运动时，你的大脑会获得更多的氧气。