词汇精选：expend的用法和辨析

一、详细释义：

v.

花费；消耗；用光；耗尽 [T]

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。

例句：

He has expend much time and energy on that experiment.

他已经花费许多时间、金钱在那实验上。

二、词义辨析：

cost,expend,spend,take

这些动词均含“花费”之意。 cost指花费时间、金钱、劳力等。其主语是物，而不能由人充当，也不用被动形式。expend较正式用词，通常指为某一专门目的而花费大量金钱、时间或精力。spend普通用词，与cost基本同义，但主语必须是人。take普通用词，指需要占用空间、时间或精力等，其主语可以是人，也可以是一件事情。

三、参考例句：

He has expend much time and energy on that experiment.

他已经花费许多时间、金钱在那实验上。

At this point, a user will be willing to expend a little effort to learn more.

这时，用户愿意花一些精力来学习。

Don't expend all your energy on such a useless job.

不要把你的精力全花在这无益的工作上。

Dogs expend a lot of energy in running and jumping all over the place.

狗狗们总是到处跑来跑去跳来跳去，显得充满了能量。

Expend energies on aspects of your career that you can genuinely influence.

把精力放在你在事业中真正能够影响到的方面。

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。

At this point, a user will be willing to expend a little effort to learn more.

这时，用户愿意花一些精力来学习。

At this point, a user will be willing to expend a little effort to learn more.

这时，用户愿意花一些精力来学习。

Since the establishment of diplomatic relation, trade between our two countries have is expend to a great extent.

自从我们两国建立外关系以来，我们之间的贸易量已大大增加。

Your social setting can strongly affect what you believe is possible— and that will affect your confidence, the effort you expend, and the results you achieve.

你所处的社交环境会很强烈地影响你的信念—而信念会影响你的自信，你付出的努力，和你获得的成果。