游泳是有益的运动。
Running on the spot is good exercise.
原地跑步是一种很好的锻炼。
Cycling is good exercise. It strengthens all the muscles of the body.
骑车是好的锻炼。它使全身肌肉变得强健。
溜冰是很好的运动。
Bicycling is good exercise; besides, it does not pollute the air.
骑自行车时一种很好的运动，而且，还不污染空气。
这对你来说是不错的锻炼。
It's easy and it's good exercise.
这很容易，而且是一项不错的运动。
A而且步行是很好的锻炼！
骑自行车是非常好的锻炼。
而且步行是很好的锻炼！
溜冰是很好的运动。
It is also a good exercise to keep me fit.
爬山也是一种使我保持健康的运动。
Hiking is good exercise as well as fun.
徒步旅行很有趣味，也是很好的锻炼。
Good food, good exercise and good habits.
饭食合理，积极锻炼，再加上良好的习惯。
A good exercise might be to improve this design.
改进这一设计可能是个不错的练习。
Doing so is not hard and it can be a good exercise.
这么做并不难，并且是一次很好的练习。
This is fun and it is also very good exercise for them.
跳舞挺有意思的，也是很好的锻炼方法。
Take the stairs. It saves time and is good exercise.
走楼梯。这可以节约时间并且是很好的锻炼。
I walk to work every day because it is good exercise.
我每天步行上班，因为那是很好的运动。
Jogging is good exercise, and moreover, it costs nothing.
慢跑是一种很好的锻炼，而且一分钱都不用花。
Everyone worked very hard, and we all got some good exercise.
每个人都很努力，我们都得到了很好的锻炼。
Swimming is a good exercise for increasing your staying power.
游泳是一项可以增加耐力的好运动。
Bicycling is good exercise; moreover, it won't pollute the air.
骑自行车是一种很好的运动，此外，还不污染空气。
Going to school by bike is always a good exercise. Do you agree?
骑车上学是一种很好的锻炼。你说对吗？
In my opinion, dancing is a good exercise and means of relaxation.
在我看来，跳舞是很好的运动和休息方式。
A good exercise: do it in cylindrical and see if you get the same thing.
这是很好的练习，在柱坐标下再算一次，看看结果一不一样。
Most people begin jogging because they hear it is very good exercise.
大多数人开始慢跑，因为他们听说那是很好的运动。
Most people begin jogging because they hear it is very good exercise.
大多数人开始慢跑，因为他们听说那是很好的运动。
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