单词：focus
vi. 聚焦, 注视
vt. 使聚焦, 调焦, 集中
[计] 焦点
n. maximum clarity or distinctness of an image rendered by an optical system
n. maximum clarity or distinctness of an idea
n. a central point or locus of an infection in an organism
考试类型：[高考/四级/六级/考研/托福/IELTS]
focus的用法和样例：
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。
常见句型
- A defect of vision prevented him from focusing accurately.视力缺陷使他无法准确聚焦。
- He must be very tired today, he doesn't seem to focus at all.他今天一定很累,他似乎无法专心思考。
- He focuses the lens of a microscope.他调整显微镜的镜片以定焦点。
- His eyes were so tired that he had difficulty focusing it.他的眼睛累了,无法准确聚焦。 1
- Unless the object is properly focused the photograph will be blurred.除非把焦距调准,否则拍出的照片是不清楚的。
- The camera has two focuses.这部相机有两个焦距。
- She was the focus of everyone's attention.她是大家注意的焦点。
- He is adjusting the focus of camera.他正在调相机的焦距。
- The coffee shop is the focus of social life in French.在法国,咖啡馆是社交生活的中心。
常用短语
- 把…作为兴趣中心 like sth mostfocus on sth
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。
词汇搭配
- focus one's attention集中注意力
- focus one's efforts集中精力
- focus the lens of a microscope调节显微镜的镜片
- focus one's thoughts集中思想
- focus accurately准确地调节
- focus properly调整
- focus on〔upon〕使集中于焦点,使集中在…上; 强调,着重
- focus on the interaction between着重说明…之间的相互作用
- focus on a problem集中在某个问题上
- focus the camera on把照相机的焦点对准…
- focus the sun's rays on使阳光聚焦于…
- adjust the focus调整焦点
- take the focus量焦点
- real focus实焦点
- right focus正确的焦点
- in focus对准焦距
- out of focus没对准焦距
- the focus of sth某物的中心
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
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