英语语法分析

If you give up exercise, your muscles shrink and fat increases. By the same token, if you expend more energy you will lose fat.

如果你放弃锻炼，肌肉就会萎缩，脂肪会增多。同样地，如果你消耗较多的体能，你就会减掉脂肪。

《柯林斯英汉双解大词典》

Growth, reproduction, and daily metabolism all require an organism to expend energy.

生长、繁殖和日常的新陈代谢都需要有机体来消耗能量。

Extreme athletes expend lots of energy breaking down and repairing and building muscles.

极限运动员消耗大量能量来分解、修复和塑造肌肉。