| 单词 | 光通 |
| 释义 | DEFINITIVE EXAMPLES 权威例句〔SEE〕There was enough starlight coming in the window to make out the dim shapes of bunkbeds and rucksacks. 星光通过窗户照进来，使双层床和背包的轮廓隐约可见。朗文写作活用〔alight〕The room was alight with candles.那个房间烛光通明。文馨英汉〔beacon〕The shining television tower beaconed through the evening.灯光通明的电视塔整晚似灯塔般照耀着。21世纪英汉〔dispersion〕Separation of visible light into colors by refraction or diffraction.色散：可见光通过折射或衍射而分散成多种颜色美国传统〔gain〕Passing exams is no longer enough to gain a place at university.现在要想进入大学学习, 光通过考试已经不够了。外研社新世纪〔light〕The windows let fresh air and light into the room.新鲜空气和阳光通过窗户进入室内。韦氏高阶〔luminous efficiency〕The ratio of the total luminous flux to the total radiant flux of an emitting source.发光系数：任何光源所辐射的总光通量与该光源总辐射通量之比美国传统〔luminous flux〕The rate of flow of light per unit of time, especially the flux of visible light expressed in lumens.光通量：单位时间内光通量的比例，尤其是以流明表示的可见光的通量美国传统〔luminous intensity〕The luminous flux density per solid angle as measured in a given direction relative to the emitting source.发光强度：在光源的某一给定方向上测量的固定单位角度上光通量密度美国传统〔neon〕The place was bright with neon.这地方霓虹灯光通明。英汉大词典〔pour in〕Sunlight poured in throngh the windows.阳光通过窗户泻入屋内。21世纪英汉〔prismatic〕Formed by refraction of light through a prism. Used of a spectrum of light.由棱镜形成的：光通过棱镜被折射而形成各种颜色的。用于光谱美国传统〔refract〕Light is refracted when passed through a prism.光通过棱镜时产生折射。牛津高阶〔spectrum〕A spectrum is formed by a ray of light passing through a prism.一束光通过棱镜就会形成光谱。牛津高阶〔transmissometer〕A device used to measure transmission of light through a medium.光速测量计：一种用于测量光通过一种媒质速度的装置美国传统 |
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