focuss

1.[i][t]集中（注意力、精力等于）to give attention, effort, etc. to one particular subject, situation or person rather than another

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。

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的困境。

2.[i][t]（使）调节焦距to adapt or be adjusted so that things can be seen clearly; to adjust sth so that you can see things clearly

It took a few moments for her eyes to focus in the dark.过了一会儿她的眼睛才适应了黑暗。

Let your eyes focus on objects that are further away from you.睁大眼睛看清楚离你较远的物体。

In this scene, the camera focuses on the actor's face.在这个镜头中，摄影机对准演员的脸部。

He focused his blue eyes on her.他那蓝色的眼睛注视着她。

I quickly focused the camera on the children.我迅速把照相机的镜头对准孩子们。

3.[t]~ sth (on sth)集中（光束于）；聚焦（于）to aim light onto a particular point using a lens

1.[u][c][ususing]中心点（指人或事物）；关注；引起关注the thing or person that people are most interested in; the act of paying special attention to sth and making people interested in it

It was the main focus of attention at the meeting.这是会议上关注的主要焦点。

His comments provided a focus for debate.他的评论提供了辩论的重点。

We shall maintain our focus on the needs of the customer.我们将继续重点关注顾客的需要。

In today's lecture the focus will be on tax structures within the European Union.今天讲课的重点是欧洲联盟内部的税制结构。

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。

What we need now is a change of focus(= to look at things in a different way) .我们现在需要的是改变对事物的看法。

2.[u]（眼睛或镜头的）焦距，调焦a point or distance at which the outline of an object is clearly seen by the eye or through a lens

The children's faces are badly out of focus(= not clearly shown) in the photograph.照片上孩子们的脸模糊不清。

The binoculars were not in focus(= were not showing things clearly) .这副双筒望远镜的焦距不对。

3.[c]（光、声等的）焦点，中心点，源a point at which waves of light, sound, etc. meet after reflection or refraction ; the point from which waves of light, sound, etc. seem to come

4.[c]（地震的）震源the point at which an earthquake starts to happen