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focus解释

来源：纷纭教育


focus的意思是：n.焦点；焦距；中心；v.（使）集中；聚集。focus的详尽释义是n.(名词)（活动、注意力、兴趣等的）焦点，中心，重点，集中点【地震学】震源【物】焦点【光】聚焦，对光；对焦点，聚光点，成像清晰点【光】（镜头的）焦点，焦距清晰，明确【医】病灶【数】（椭圆的）焦点。focus【近义词】concentrate。

一、详尽释义点此查看focus的详细内容

n.(名词)
  1. （活动、注意力、兴趣等的）焦点，中心，重点，集中点
  2. 【地震学】震源
  3. 【物】焦点
  4. 【光】聚焦，对光；对焦点，聚光点，成像清晰点
  5. 【光】（镜头的）焦点，焦距
  6. 清晰，明确
  7. 【医】病灶
  8. 【数】（椭圆的）焦点
v.(动词)
  1. 集中，使集中于一点
  2. 使聚焦，使集中于焦点，特别关注
  3. 调焦，调（眼睛、镜头等的）焦距，定…的焦点；使（眼睛）注视
  4. 于小区域
  5. 使清晰
  6. 聚焦，集中于焦点，注视

二、双解释义

v.(动词)
  1. vt. & vi. (使)集中 concentrate
  2. vt. & vi. 聚集于 come together at a focus; adjust an instrument, etc. so that it is in focus
  3. vt. & vi. 调整(镜头,眼睛)焦点或焦距以便看清 adjust (a lens, the eye, or lens-like device) to make a clear image
n.(名词)
  1. [C]焦点,焦距; 中心 the point at which beams of light or heat or waves of sound meet after their direction has been changed; a center of attention

三、英英释义

Noun:
  1. the concentration of attention or energy on something;

    "the focus of activity shifted to molecular biology"
    "he had no direction in his life"

  2. maximum clarity or distinctness of an image rendered by an optical system;

    "in focus"
    "out of focus"

  3. maximum clarity or distinctness of an idea;

    "the controversy brought clearly into focus an important difference of opinion"

  4. a central point or locus of an infection in an organism;

    "the focus of infection"

  5. special emphasis attached to something;

    "the stress was more on accuracy than on speed"

  6. a point of convergence of light (or other radiation) or a point from which it diverges
  7. a fixed reference point on the concave side of a conic section
Verb:
  1. direct one's attention on something;

    "Please focus on your studies and not on your hobbies"

  2. cause to converge on or toward a central point;

    "Focus the light on this image"

  3. bring into focus or alignment; to converge or cause to converge; of ideas or emotions
  4. become focussed or come into focus;

    "The light focused"

  5. put (an image) into focus;

    "Please focus the image; we cannot enjoy the movie"

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、常见句型

用作动词(v.)
用作不及物动词S+～(+A)
  1. A defect of vision prevented him from focusing accurately.
    视力缺陷使他无法准确聚焦。
  2. 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。
用作及物动词S+～+ n./pron.
  1. He focuses the lens of a microscope.
    他调整显微镜的镜片以定焦点。
  2. His eyes were so tired that he had difficulty focusing it.
    他的眼睛累了,无法准确聚焦。
    3. 1
  3. 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。
用作名词(n.)
  1. The camera has two focuses.
    这部相机有两个焦距。
  2. She was the focus of everyone's attention.
    她是大家注意的焦点。
  3. He is adjusting the focus of camera.
    他正在调相机的焦距。
  4. 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。

六、词汇搭配

用作动词 (v.)
～+名词～+副词～+介词
用作名词 (n.)
动词+～形容词+～介词+～～+介词

七、词语用法

v.(动词)
  1. focus用作名词时原始意义是“火炉”,引申为“焦点”,转化为动词则为“(使)聚焦”,“(使)集中”。即“调整…的焦点或焦距以便看清”,引申则表示“使(注意力等)集中于某物”。
  2. focus用作及物动词时,可以接望远镜、焦点等作宾语,也可以接阳光等作宾语,还可以接目光等作宾语。focus用于比喻作“致力于”解时,则可以接mind, attention等作宾语。
  3. focus也用作不及物动词,这时常和介词on连用,表示“聚焦于…”“致力于…”等。
  1. focus on sth表示“集中于某事”；
  2. focus作“中心，焦点”的解释时，用词范围很广，常被滥用，需注意。

focus的相关近义词

concentrate、center、middle

focus的相关反义词

blur

focus的相关临近词

fodder、focal、focused、focuson、focuser、focusser、focus on、focusing、focus of、focus up、focusout、focus VR

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