| 单词 | 聚焦 |
| 释义 | 〔center〕To direct toward a center or central point; concentrate or focus:导向中心，集中：导向，引向一中心或一中心点；集中或聚焦：〔myopia〕A visual defect in which distant objects appear blurred because their images are focused in front of the retina rather than on it; nearsightedness. Also called short sight 近视：一种视觉缺陷，由于它们的图象在视网膜前聚焦而不是在视网膜上，所以远处物体看起来模糊不清的 也作 short sight〔infinity〕A range in relation to an optical system, such as a camera lens, representing distances great enough that light rays reflected from objects within the range may be regarded as parallel.（聚焦区）无限远：与光学系统（如照像镜头）有关的一个范围，表示距离是如此之远，以至于从在这一距离的物体上反射回来的光可以视为平行光线〔center〕To have a central theme or concern; be focused:关注，聚焦：具有中心主题或关注；聚焦：〔sunglass〕A convex lens used to focus the sun's rays and produce heat, especially for ignition.取火镜：用于聚焦太阳光以产生热量的凸镜片，尤用于点火〔presbyopia〕Inability of the eye to focus sharply on nearby objects, resulting from loss of elasticity of the crystalline lens with advancing age.远视，老花：眼睛不能准确地聚焦在近处物体上的症状，是由年龄增长导致睫状体缺乏弹性引起的 |
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