打比方说，锻炼三十分钟能转换掉相当于一个中号麦当劳炸鸡的热量。
Thirty minutes of exercise, for example, can burn less than a medium McDonald's fries.
医生建议进行适当的锻炼，比如每周三次进行步行，每次步行三十分钟。
Physicians recommend moderate exercise like walking for thirty minutes, three times a week.
即使你连三十分钟的时间都没有，每天上课中间的5或10分钟的间隙的锻炼也对于你的学习有所帮助。
Even in you can't commit to 30 minute intervals, 5 or 10 minutes spurts during the course of the day could make a significant difference in your academic performance.
适度体育锻炼的定义是运动量相当于每周六天、每天三十分钟的快步行走。
Moderate exercise was defined as the equivalent of taking a brisk, 30-minute walk a day, six days a week.
适度体育锻炼的定义是运动量相当于每周六天、每天三十分钟的快步行走。
Moderate exercise was defined as the equivalent of taking a brisk, 30-minute walk a day, six days a week.
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