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focus用法

focus用法:当作为动词时,意为集中、调节焦距、集中、聚焦,常与介词on连用,表示聚焦于”、致力于”;作为名词时,意为中心点、焦距、调焦、焦点、源等。  

focus用法

一、作为动词,意为集中(注意力、精力等于);(使)调节焦距;集中(光束于);聚焦(于);与介词on/upon连用。

例句:The discussion focused on three main problems.

讨论集中在三个主要问题上。

Each exercise focuses on a different grammar point.

每个练习各有不同的语法重点。

It took a few moments for her eyes to focus in the dark.

过了好几分钟她的眼睛才适应了黑暗。

I quickly focused the camera on the children.

我迅速把照相机的镜头对准孩子们。

The visit helped to focus world attention on the plight of the refugees.

这次访问促使全世界关注难民困境。

二、作为名词,意为中心点(指人或事物);(眼睛或镜头的)焦距,调焦;(光、声等的)焦点,中心点,源。

例句:It was the main focus of attention at the meeting.

这是会议上关注的主要焦点。

The incident brought the problem of violence in schools into sharp focus .

这次事件使校园暴力成为焦点问题。

The binoculars were not in focus.

这副双筒望远镜的焦距不对。

The new system is the focus of controversy 

这个新体制是争议的焦点。

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