为了获得最佳效果，每周计划3 - 4次30分钟的心血管锻炼。

For optimal results, schedule 30 minutes of cardiovascular exercise 3 to 4 times per week.

youdao

锻炼也不要过度，一份健康的训练计划可以很简单，比如一周锻炼三次，每次锻炼20分钟到1个小时。

There's no need to work out obsessively. A healthy routine can be as simple as exercising 20 minutes to 1 hour three days a week.

youdao

锻炼也不要过度，一份健康的训练计划可以很简单，比如一周锻炼三次，每次锻炼20分钟到1个小时。

There's no need to work out obsessively.A healthy routine can be as simple as exercising 20 minutes to 1 hour three days a week.

youdao