This gives us energy and helps us exercise longer.

这为我们带来了能量，有助于我们提升锻炼时长。

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It's great when your clothes fit better, you can lift heavier things or take exercise longer.

如果你的衣服合身就更好了，这样的话你可以举起更重的东西，或者运动更长的时间。

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If you want to get in shape fast, exercise longer, not harder.

如果你想快速地恢复身材，锻炼得久点，而不是更辛苦。

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More recent research suggested that those gains are the same whether you exercise for short periods over five days or longer sessions over two or three days.

VOA: special.2010.06.08

"The device was shown to markedly improve patient's quality of life and their functional capacity, and by functional capacity I mean that they were able to exercise longer and they were able to perform more of their activities of daily living, " said lead researcher Dr. William Abraham of the University of Kentucky.

CNN: Pacemakers found to help heart failure patients

The authors of a new study wondered if they could tackle the question of whether short, intense bouts of exercise or longer periods of more leisurely activity would be more likely to make up for the ill effects of inactivity.

FORBES: Hard And Fast Or Slow And Steady? Choice Of Exercise Matters To Health, Study Says

Exercise gurus are no longer touting the endurance workout but instead, advocating the superiority of mini-workouts.

FORBES: Mini Is The New Maxim