expend的名词形式怎么写

expend的名词形式expension

expend

v.花费;消费;耗费

第三人称单数 expends

现在分词 expending

过去式 expended

过去分词 expended

She expended all her efforts on the care of home and children.

她把所有精力都花在料理家务和照顾孩子上。

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。

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。