focus

['fəukəs]

n.焦点, 焦距, 中心
v.（使）集中, 聚集

n.

1. 焦点, 焦距; 聚光点[C]

He took out the binoculars and adjusted the focus.

他取出双筒望远镜并调整了焦距。

2. 调焦; 聚焦[U]

3. 成像清晰点; (图像的)清晰; 明确[U]

4. (注意, 活动等的)中心, 集中点; 重点[the S][(+of)]

The focus of this chapter is the American Revolution.

本章的重点是讲美国独立战争。

She always wants to be the focus of attention.

她老想成为人们注意的中心。

5. (地震等的)震源; 病灶

The focus of the earthquake is eighty miles from our city.

这次地震的震源在距我市八十英里的地方。

vt.

1. 使聚焦[(+on)]

2. 调节(镜头等)的焦距[(+on)]

You can focus your telescope on that distant television tower.

你可以对着那座远方的电视塔调节望远镜的镜头。

3. (调节镜头的焦距)使(图像等)清晰

4. 使集中[(+on)]

I can't focus my thoughts today.

今天我的思想集中不起来。

vi.

1. 聚焦

A defect of vision prevented him from focusing accurately.

视力上的缺陷使他不能准确对焦。

2. 调节焦距[(+on)]

3. 集中[(+on)]

The beams of light moved across the sky and focused on the plane.

光束在空中移动, 集中对准飞机。

词形变化

名词: focuser | 名词复数: focuses | 动词过去式: focused/focussed | 动词过去分词: focused/focussed | 动词现在分词: focusing/focussing | 动词第三人称单数: focuses/focusses |

词义辨析

同义:

vi.集中; 调节

concentrate  adjust  

同义参见:

centralize  nucleus  highlight  centre  

英英释义

名词 focus:

the concentration of attention or energy on something

同义词：focusing, focussing, focal point, direction, centering

maximum clarity or distinctness of an image rendered by an optical system

maximum clarity or distinctness of an idea

a central point or locus of an infection in an organism

同义词：focal point, nidus

special emphasis attached to something

同义词：stress

a point of convergence of light (or other radiation) or a point from which it diverges

同义词：focal point

a fixed reference point on the concave side of a conic section

动词 focus:

direct one's attention on something

同义词：concentrate, center, centre, pore, rivet

cause to converge on or toward a central point

bring into focus or alignment; to converge or cause to converge; of ideas or emotions

同义词：concenter, concentre, focalize, focalise

become focussed or come into focus

同义词：focalize, focalise

put (an image) into focus

同义词：focalize, focalise, sharpen

短语词组

focus on

1. (使)集中于

He focused his eyes on me.

他注视着我。

in focus

1. 清晰的; 焦点对准的

I got her in focus before I took the photo.

我在拍摄前先用镜头把她对清楚。

补充

focusfocus英:[ˈfəukəs] 美:[ˈfokəs]vt. & vi.1.(使)集中, (使)聚集2.调整(镜头, 眼睛)焦点[焦距]以便看清n.1.焦点, 焦距; 中心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。

例句

1. If one part of the image is in focus, all of the print will be in focus.如果图像一部分的焦点对准了, 整个照片就很清晰。 2. The images were grainy and out of focus.图像有麻面, 模糊不清。 3. The images are blurred because the telescope is out of focus.望远镜没有对准焦点, 图像模糊不清。 4. In the morning, traders said, trading was out of focus and buy orders were scattered over a wide range of issues.上午, 交易商说, 交易中没有出现热点, 买盘分散于多种债券。 5. Her anorexia made her the focus of attention.她的厌食症引起了大家的关注。 6. Streeter wants to focus attention on elderly black people.斯特里特想要重点关注老年黑人。 7. She focused her attention on the ice skaters.她把注意力集中在这些滑冰者的身上了。 8. If you focus the sun's rays on dry wood with a burning-glass, it will start burning.如果你用取火镜使太阳光线聚焦在干木头上，木头就会燃烧起来。 9. to focus the lens of a camera使照相机的镜头聚焦 10. to focus one's attention on a question注意力集中在某个问题上 11. A nearsighted person cannot focus accurately on distant objects.一个近视眼者不能准确地调节眼睛看远处的物体。 12. All eyes were focused on him.所有的目光都集中在他身上。 13. The beams of light moved across the sky and focused on the aircraft.光束穿过天空，射向飞机。 14. this generation has made the environment a focus of attention.这一代人使环境成为关注焦点。 15. our focus on the customer's requirements.我们对消费者需求的重视。 16. his face is rather out of focus.他的脸有些模糊。 17. try to focus on a stationary object.设法调整视力以看清楚一静物。 18. trying to focus his bleary eyes on Corbett.设法把他模糊的视线聚焦于科比特。 19. they were focusing a telescope on a star.他们正对着一颗星调节望远镜焦距。 20. the study will focus on a number of areas in Wales.该研究将重点针对威尔士若干地区。 21. the course helps to focus and stimulate your thoughts.该课程有助于集中并激发你的思维。 22. to focus on a problem把注意力集中在一个问题上 23. Gradually his eyes focused.他的眼睛渐渐看清楚了。 24. I focussed (the camera) on the person in the middle of the group.我把（照相机）焦点对准站在人群中央的那个人。 25. The school used to be the focus of village life.以前这学校是农村生活的中心。 26. This picture is so badly out of focus that I can't recognize anyone.这张照片照得极不清楚，上面的人我一个也认不出来。 27. The focus of our discussion/debate/attention will be drug abuse.我们讨论/辩论/关注的焦点将是滥用药物的问题。 28. The scandal became the primary focus of the day's news coverage.这桩丑闻成了当天新闻报道的中心话题。 29. The study's main focus is adults with sleep disorders.这项研究主要关注有睡眠障碍的成年人。 30. "He's successful, but he feels that his life lacks focus."他虽然很成功，却感到自己的生活没有目标。 31. His life lacks a focus.他的生活缺乏目标。 32. bringing the binoculars into focus [=focusing the binoculars; adjusting the binoculars so that the image seen through them is clear and sharp]将双筒望远镜聚焦 33. It took him a few seconds after he woke up to bring his eyes into focus. [=to focus his eyes]醒来几秒钟后他的眼睛才看清楚东西。 34. The binoculars were not in focus. = The binoculars were out of focus. [=the binoculars were not focused]双筒望远镜的焦距没调好。 35. It was a nice picture—the family was in focus and everyone was smiling.这张照片不错，全家人都照得很清楚，而且每个人都在微笑。 36. "Unfortunately, several of the pictures were out of focus."遗憾的是，有几张照片拍得不清楚。 37. She tried to bring the important issues into focus. [=she tried to say clearly what the important issues were]她尽力把这些重要的问题讲清楚。 38. The crime has focused public attention on the problem of parole.这起刑事案件把公众的注意力引向了假释问题。 39. We need to focus our efforts on getting the work done.我们需要集中精力完成这项工作。 40. She has an amazing ability to focus for hours at a time.她有惊人的专注力，可以一连几个小时集中注意力。 41. We need to focus on getting the work done.我们需要集中精力完成这项工作。 42. The day's news coverage focused primarily/mainly on the scandal.当天的新闻报道主要聚焦在那桩丑闻上。 43. focus a telescope调节望远镜的焦距 44. I wasn't able to focus the camera.我不会调照相机的焦距。 45. He focused his binoculars on a distant ship. [=he looked through his binoculars at a distant ship]他对着远处的轮船调节双筒望远镜的焦距。 46. I wasn't able to get the camera to focus.我调不好照相机的焦距。 47. Everyone focused their eyes on her [=everyone looked at her] when she entered the room.她进屋时，每个人都盯着她看。 48. His eyes were focused on the road. = He kept his eyes focused on the road.他的眼睛盯着那条路。 49. focus rays of light将几束光线聚焦 50. laser beams that focus at a single point聚于一点的激光束