| 释义 |
fo·cus AHD[fōʹkəs] D.J.[ˈfəʊkəs]K.K.[ˈfokəs]n.（名词）【复数】 fo.cus.es 或 fo.ci [-sī', -kī'] - A point at which rays of light or other radiation converge or from which they appear to diverge, as after refraction or reflection in an optical system:焦点：几条光线或其他射线相交的一点，或在一个光学系统中经折射或反射后呈发散状的光线的出发点：the focus of a lens. Also called focal point 透镜的焦点 也作 focal point
- See focal length 参见 focal length
- The distinctness or clarity of an image rendered by an optical system.影象的清晰度：因使用光学调节系统而形成的分明的或清晰的图象
- The state of maximum distinctness or clarity of such an image:最大清晰度：此种图象最好的区分或清晰状态：in focus; out of focus.清晰；不清晰
- An apparatus used to adjust the focal length of an optical system in order to make an image distinct or clear:对焦仪器：为使其图象明显或清晰用于调节光学系统焦距的仪器：a camera with automatic focus.自动对焦的照相机
- A center of interest or activity.See Synonyms at center 中心：兴趣或活动的中心 参见 center
- Close or narrow attention; concentration:密切或严密的注意；集中："He was forever taken aback by[New York's] pervasive atmosphere of purposefulness—the tight focus of its drivers, the brisk intensity of its pedestrians" (Anne Tyler)“他久久地惊诧于［纽约］ 所弥漫的那种目的性很强的气氛——司机们的高度集中以及行人的步伐紧凑快速” (安妮·泰勒)
- A condition in which something can be clearly apprehended or perceived:可清楚明白的状况：某事物可被清晰理解或感觉的状况：couldn't get the problem into focus.不能很清楚地理解这个问题
- Pathology The region of a localized bodily infection or disease.【病理学】 病症：疾病集中或感染的主要部位
- Geology The point of origin of an earthquake.【地质学】 震中：地震的发源地
- Mathematics A fixed point whose relationship with a directrix determines a conic section.【数学】 焦点：一个与准线的关系决定圆锥形状的定点
v.（动词）fo.cused 或 fo.cussed fo.cus.ing 或 fo.cus.sing fo.cus.es 或 fo.cus.ses v.tr.（及物动词）- To cause (light rays, for example) to converge on or toward a central point; concentrate.使集中，使聚合：使（如光线）集中在一中心点或向中心点集中；集中
- To render (an object or image) in clear outline or sharp detail by adjustment of one's vision or an optical device; bring into focus.使集中于焦点：通过调节视力或光学仪器使（一物体或图象）外缘清晰或细节分明；调焦
- To adjust (a lens, for example) to produce a clear image.调焦：调整（如透镜）而得到清晰图象
- To direct toward a particular point or purpose:集中：导向一特定点或目的：focused all their attention on finding a solution to the problem.集中全部注意力寻找解决问题的办法
v.intr.（不及物动词）- To converge on or toward a central point of focus; be focused.集中于焦点：在中心焦点或向中心焦点集中；被集聚
- To adjust one's vision or an optical device so as to render a clear, distinct image.调焦：调整视力或光学仪器以使图象鲜明清晰
- To concentrate attention or energy:集中：集中注意力或能力：a campaign that focused on economic issues.一次集中解决经济问题的运动
- Latin [hearth] 拉丁语 [火炉]
foʹcuser n.（名词） |