expend例句
Children
expend a lot of energy and may need more high-energy food than adults.
孩子们消耗很多能量，可能比成年人需要更多高能量的食物。
If you give up exercise, your muscles shrink and fat increases. By the same token, if you
expend more energy you will lose fat.
停止锻炼会使肌肉萎缩、脂肪增加。同样，如果花更多的精力锻炼，就会减掉脂肪。
I think it is safe to say that very few students
expend the effort to do quality work in school.
我认为可以肯定地说学校里很少有学生肯为学好功课下功夫。