To keep fit, we often take part in physical exercise.
为了保持健康，我们经常参加体育锻炼。
So just like physical exercise, you have to take breaks.
因此就像体育锻炼一样，我们必须得休息。
Note physical exercise, combining exertion, to take part in physical activities.
注意锻炼身体，劳逸结合，多参加体育活动。
Note physical exercise, combining exertion, to take part in physical activities.
注意锻炼身体，劳逸结合，多参加体育活动。
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