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spendor

什么时候用spend at?

spend at释义:

花在

例句:

spendor
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I spend at least six hours a week marking.

我每周至少要花六个小时批改作业。

A quarter of all sea species spend at least a part of their life in a reef and many reefs are in cold or temperate waters.

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四分之一的海洋物种在珊瑚礁中度过了它们一生中至少一半的时间,而且很多珊瑚礁处于寒冷或温和的水中。

spend in doing和spend on doing的区别?

spend in doing释义:

花在做

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例句:

How much time do you spend in doing homework every day?

你每天要花费多少时间做作业。

spend on doing释义:

花在做

例句:

The point, then, is to spend as little time as possible doing routine maintenance, allowing you time to either redesign the site or work on other projects that you do enjoy.

然后,关键在于可以花费尽量少的时间进行常规维护,从而允许您将时间花费在重新设计站点或开发您真正喜欢的其他项目上。

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