plural foci /ˈfoʊˌsaɪ/ also focuses plural foci /ˈfoʊˌsaɪ/ also focuses Learner's definition of FOCUS
1
[count] : a subject that is being discussed or studied : the subject on which people's attention is focused中心话题;关注焦点 —
usually singular通常用单数 -
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。
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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。
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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。
2
: a main purpose or interest主要目标(或兴趣) [noncount]
[singular]
3
[count] technical : a point at which rays of light, heat, or sound meet or from which they move apart or appear to move apart
especially : the point at which an image is formed by a mirror, a lens, etc.(光、热、声等的)焦点;(尤指)镜像焦点,镜片焦点
4 [noncount]
a : a state in which something (such as a camera, a telescope, or a person's eyes) produces a clear picture or image(照相机、望远镜或人眼的)成像 -
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
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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。
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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。
b : a state in which the small details of a picture or image can be clearly seen(相片或影像的)清晰 -
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。
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Unfortunately, several of the pictures were out of focus.遗憾的是,有几张照片拍得不清楚。
— see also soft focus c : a state or condition in which something can be clearly understood(情况)清楚明了 2 focus /ˈfoʊkəs/ verb
focuses also focusses; focused also focussed; focusing also focussing
focuses also focusses; focused also focussed; focusing also focussing
Learner's definition of FOCUS
1
[+ object] : to cause (something, such as attention) to be directed at something specific将(注意力等)引向… —
+ on 2
[no object] : to direct your attention or effort at something specific将(注意力或精力)集中在… —
often + on 3
: to adjust (something, such as a lens or a camera) to make an image clear调节(镜头或照相机的)焦距 [+ object]
-
focus a telescope调节望远镜的焦距
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I wasn't able to focus the camera.我不会调照相机的焦距。
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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。
[no object]
◊ If you focus your eyes on something or if your eyes focus on something, you look at that thing so that you can see it clearly.盯着看
4
technical : to cause (light) to come together at a point使(光)聚焦于一点 [+ object]
[no object]