focus

美['foʊkəs] 英['fəʊkəs]

n. 焦点；焦距；中心

v. （使）集中；聚集

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

近义词：concentrate，center，middle，blur，

详细释义

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

v.(动词)

集中，使集中于一点
使聚焦，使集中于焦点，特别关注
调焦，调（眼睛、镜头等的）焦距，定…的焦点；使（眼睛）注视
限制于小区域
使清晰
聚焦，集中于焦点，注视

双解释义

v.(动词)

vt. & vi. (使)集中 concentrate
vt. & vi. 聚集于 come together at a focus; adjust an instrument, etc. so that it is in focus
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)

[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

英英释义

Noun

the concentration of attention or energy on something;
"the focus of activity shifted to molecular biology" "he had no direction in his life"
maximum clarity or distinctness of an image rendered by an optical system;
"in focus" "out of focus"
maximum clarity or distinctness of an idea;
"the controversy brought clearly into focus an important difference of opinion"
a central point or locus of an infection in an organism;
"the focus of infection"
special emphasis attached to something;
"the stress was more on accuracy than on speed"
a point of convergence of light (or other radiation) or a point from which it diverges
a fixed reference point on the concave side of a conic section

Verb

direct one's attention on something;
"Please focus on your studies and not on your hobbies"
cause to converge on or toward a central point;
"Focus the light on this image"
bring into focus or alignment; to converge or cause to converge; of ideas or emotions
become focussed or come into focus;
"The light focused"
put (an image) into focus;
"Please focus the image; we cannot enjoy the movie"

组词搭配

～+名词

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

～+副词

focus accurately准确地调节
focus properly调整

～+介词

the focus of sth某物的中心

动词+～

adjust the focus调整焦点
take the focus量焦点

形容词+～

real focus实焦点
right focus正确的焦点

介词+～

in focus对准焦距
out of focus没对准焦距

例句

用作名词(n.)

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。

用作动词(v.)

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。

词语用法

v.(动词)

focus

focus

详细释义

双解释义

英英释义

组词搭配

例句

词语用法

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