focus的过去式是：focused/focussed。focus【近义词】concentrate。focus的读音是英['f??k?s]；美['fo?k?s]。
一、详尽释义点此查看focus的详细内容
二、双解释义
三、词典解释
1.集中(注意力);关注
If youfocuson a particular topic or if your attentionis focusedon it, you concentrate on it and think about it, discuss it, or deal with it, rather than dealing with other topics.
e.g. The research effort has focused on tracing the effects of growing levels of five compounds...
研究重点追踪了5种化合物含量上升的影响。
e.g. He is currently focusing on assessment and development...
他目前在关注评估和发展。
2.主题;重点;焦点
Thefocus of something is the main topic or main thing that it is concerned with.
e.g. The UN's role in promoting peace is increasingly thefocus of international attention...
联合国在促进和平方面的作用越来越受到国际社会的关注。
e.g. The new system is thefocus of controversy...
这个新是争议的焦点。
3.关注;注意
Yourfocus on something is the special attention that you pay it.
focus的反义词
e.g. He said his suddenfocus on foreign policy was not motivated by presidential politics...
他说他突然关注外交并非受总统政治的驱使。
e.g. The report'sfocus is on how technology affects human life rather than business...
这个报告关注的是技术如何影响人类生活而非商业活动。
4.目的;意图;含义
If you say that something has afocus, you mean that you can see a purpose in it.
e.g. Somehow, though, their latest album has afocus that the others have lacked...
但是，他们的最新专辑设法找到了其他专辑所欠缺的一种目的性。
e.g. Suddenly all of the bizarre and seemingly isolated examples took on a meaningfulfocus.
突然之间，所有那些怪异且看上去孤立的例子都具有了意义。
5.注视;使(相机、望远镜等)聚焦;给…调焦
If youfocus your eyes or if your eyesfocus, your eyes adjust so that you can clearly see the thing that you want to look at. If youfocus a camera, telescope, or other instrument, you adjust it so that you can see clearly through it.
e.g. Kelly couldn'tfocus his eyes well enough to tell if the figure was male or female...
凯利没有看清楚那个人影到底是男的还是女的。
e.g. His eyes slowly began tofocus on what looked like a small dark ball...
他的眼睛慢慢开始看清楚那个看上去像是个小黑球的东西。
6.注视;调焦;对焦
You usefocus to refer to the fact of adjusting your eyes or a camera, telescope, or other instrument, and to the degree to which you can see clearly.
e.g. Hisfocus switched to the little white ball...
他把关注点转移到那个小白球上。
e.g. Together these factors determine the depth offocus...
这些因素综合起来决定了景深。
7.集中(光束);聚焦
If youfocus rays of light on a particular point, you pass them through a lens or reflect them from a mirror so that they meet at that point.
e.g. Magnetic coilsfocus the electron beams into fine spots.
磁线圈把电子束聚焦成微小的点。
8.聚焦点
Thefocus of a number of rays or lines is the point at which they meet.
9.(图像)清晰;(照相机、望远镜等)对准焦点
If an image or a camera, telescope, or other instrument isin focus, the edges of what you see are clear and sharp.
e.g. Pictures should be infocus, with realistic colours and well composed groups.
照片应该图像清晰，颜色逼真，构图合理。
10.受关注;在讨论;(目的和性质)清楚的，明白的
If something isin focus, it is being discussed or its purpose and nature are clear.
e.g. This aggression is the real issue the world should be concerned about. We want to keep that infocus...
这次侵略才是世界应该关注的真正问题。我们想继续保持关注。
e.g. These issues were brought into sharpfocus by the Gulf crisis.
海湾危机让这些问题备受关注。
11.焦点没对准;脱焦;失焦
If an image or a camera, telescope, or other instrument isout of focus, the edges of what you see are unclear.
focus是什么意思
e.g. In some of the pictures the subjects are out offocus while the background is sharp.
一些照片背景很清晰，被摄主体却因失焦而显得模糊。
e.g. ...a lot of out-of-focus photographs.
许多对焦不实的照片
12.不受关注;(目的和性质)不清晰的
If something isout of focus, it is not being discussed or its purpose or nature is not clear.
e.g. The deficit in the US balance of payments put these considerations out offocus...
美国的国际收支逆差使这些因素没有得到关注。
e.g. The movement towards democracy in Latin America and the foreign debt problems that have plagued it have gone out offocus.
拉丁美洲的民主运动和困扰该地区的外债问题已经淡出人们的视线。
四、例句
He always wants to be the focus of attention.
他总想成为注意力的焦点。
He took out the binoculars and adjusted the focus.
他取出双筒望远镜并调整了焦距。
The main focus of this manual is the management of fresh ground water resources.
本指南的主要中心是地下淡水资源的管理。
The noise made it hard for me to focus on work.
噪音让我无法集中注意力工作。
He focused the sun's rays on the paper with a burning glass.
他用取火镜使太阳光聚集在纸上。
五、常用短语
A near-sighted person cannot focus accurately on distant objects.
一个近视的人不能够准确地调节眼睛以看到远处物体。
focus sth on sthHe focused the sun's rays on a paper with a burning-glass.
他用一面凸透镜把阳光聚焦在纸上。
If you focus bright sunlight on dry wood with a glass, it will start burning.
假如你用镜子将强烈的阳光聚焦于干燥的木头上,它便会燃烧起来。
focus on sth/v-ingToday we're going to focus on the question of homeless people.
今天,我们主要讨论无家可归者的问题。
Many firms are focusing on increasing their markets overseas.
许多商行都在注意在国外扩大市场。
focus sth on sb/sthHe focused his mind on his lessons.
他把心思集中在功课上。
You should focus your attention on your work.
你应该聚精会神地工作。
We must focus our attention on the question of reducing costs.
我们必须将注意力集中在降低费用的问题上。
When the coin failed to appear, attention was focused once more on poor Lebeau.
当找不到那枚古币以后,大家的注意力再次转到勒保身上。
All eyes were focused on him when he came in.
他进来时大家都注视着他。
focus on sth/v-ingToday, we're going to focus on the relationship between freedom and necessity.
今天,我们将集中讨论自由和必然之间的关系这一问题。
This year our meeting focuses on the question of children's rights.
今年我们会议的中心问题是儿童权益问题。
The show focuses on making fun of politicians.
这场演出旨在嘲弄那些政客。
六、经典引文
The orbit of a planet..is a broad ellipse in which the sun is..at one focus.
出自：J. BronowskiI raised the beam of my flashlight.., I focused it..on the hole in the yellow ceiling.
出自：R. BradburyGuy tilted forward his glasses and tried to focus the spectacle before him.
出自：O. ManningHe took a little time to focus his eyes properly and decide who I was.
出自：C. AchebeElectrons can be focussed into narrow beams by electrostatic or magnetic lenses.
出自：H. M. RosenbergI focused much of my distemper on London: I noticed only its bad qualities.
出自：C. Priest七、词义辨析
focus的相关近义词
focus的相关反义词
focus的相关临近词
fodder、focal、focused、focuson、focuser、focusser、focus on、focusing、focus of、focus up、focusout、focus VR