[物] luminosity，magnitude ；

[例句] 每一条线必须包括几百个各自认得出的用网屏表示的光度值. Each line must contain several hundred individually identifiable halftone light values.

[例句] 做光度测量的条件就不那么严格了. Less critical is the situation in the case of photometric observation.

cursor （显示器用） ；

[例句] 你可以使用鼠标器来移动光标. You can move the cursor by using the mouse.

[例句] 将鼠标光标移向菜单栏. Move the mouse pointer to the menu bar.

irising，dodging，diaphragmation，shading ；

[例句] 为什么不给所有的镜头都配上遮光罩呢？ Why aren't all lenses supplied with a lens hood?

[例句] 因此我们得制作一块很大的遮光窗帘。 We therefore had to contrive a very large black-out curtain.

[医] astigmatism，astigmia ；

[例句] 也许你在课堂上睡觉是因为你的眼睛散光. Maybe you fall asleep in class because of uncorrected astigmatism.

[例句] 用散光的方法来提取光源在Z轴上的位置。 Using astigmatic method to extract information of light source in z axis.

light，bright，promising，openhearted，luminosity ；

[例句] 综合性的社区具有比以前更加光明的前景。 There are much brighter prospects for a comprehensive settlement than before.

[例句] 用光明与黑暗来象征善与恶。 The use of light and dark symbolizes good and evil.

go sightseeing，visit，tour，look around，look round ；

[例句] 他此刻正在南美旅游观光。 He's touring South America at this moment in time.

[例句] 最好是乘坐旅游巴士或骑自行车观光。 Sightseeing is best done either by tour bus or by bicycles.

iris diaphragm，iris aperture，light ring，stop，aperture ；

[例句] 用小光圈，仔细调整相机位置。 Use a small aperture and position the camera carefully.

[例句] 用闪光照相，要把光圈孔径定为5.6。 For flash photography, set the aperture at f.5.6.

lustre，splendour，radiance，glow，gloss ；

[例句] 如果战势恶化，军队可能得到增援，或不光彩地撤退。 If fighting worsens, the troops might be reinforced, or ingloriously withdrawn.

[例句] 这些经销商通过损害我家人的利益不光彩地赚钱。 The dealers profited shamefully at the expense of my family.

honour，glory，proud，credit，kudo；

[例句] 能获得多丽丝·戴奖，我们深感荣幸和光荣。 We're flattered and honoured to receive this Doris Day Award.

[例句] 长期而光荣的从政生涯 a long and honourable career in government

photochemistry，actinology，actinochemistry ；

eye，sight，foresight，insight，light ；

[例句] 她眼光一闪，但他举起一只手说：“让我把话讲完。” Her eyes flashed, but he held up a hand. "Let me finish."

[例句] 卢克的妈妈收起了笑容，用责备的眼光看着他。 Luke's mother stopped smiling and looked reproachfully at him.

scene，view，sight ；

[例句] 他不爱听别人说他风光不再。 He doesn't take kindly to suggestions that he is over the hill.

[例句] 作为一名运动员，他早已风光不再。 As a sportsman, he is long past his sell-by date.

brilliance，flame，shine，halo，blaze ；

[例句] 略带红色的淡淡光辉照亮了天空。 A pale reddish glow lit the sky.

[例句] 她是我们所有人的光辉榜样。 She is a shining example to us all.

moonlight，moonbeam，moonshine，moon，moonrise；

[例句] 在月光下他们开始沿着满是尘土的路漫步。 They started strolling down the dusty road in the moonlight.

[例句] 我们去了亚特兰蒂斯神殿，在月光下游览了一番。 We went to the temple of Atlantis and saw it by moonlight.

time ；

[例句] 他在虚幻的空想中虚度了光阴。 He idled the time away in dreamy thought.

[例句] 光阴飞逝,推陈出新. Time passes and the old gives place to the new.

[电子] light gun，light pen，lightpen ；

[例句] 他们最近在超级市场安装了用于盘点库存的光笔系统. They had recently installed their lightpen system in a supermarket for stocktaking purpose.

[例句] 一种由特殊构造的终端和一支光笔组成的系统. A system of a specially designed terminal and light pen.

first light of morning，the first light of day，dawn，twilight ；

[例句] 他正为看到一线成功的曙光而欢欣鼓舞。 He is celebrating his first glimmer of success.

[例句] 黎明的曙光出现在地平线上. The first signs of the dawn appear on the horizon.

arc light，arc，[电影]Arc Light；

[例句] 日光灯是一种低气压的汞蒸气弧光放电灯. Fluorescent is a low pressure mercury - smoke arc discharge lamp.

[例句] 介绍了弧光传感器的组成 、 物理模型及信号特征. The makeup of the arc light sensor, physical model arc light sensing and signal characteristics, discussed.

a ring of light，corona，[宗]halo，aureole，aura ；

[例句] 天文学家们过去一直感到奇怪,为什么只有土星有光环. Astronomers used to ask why only Saturn has rings.

[例句] 他在耶稣基督头上画上光环. He put halos around the head of Jesus Christ.

[建] lighting，daylighting，pick or pluck till none is left，light selecting ；

[例句] 金矿并非无底的宝藏，金子终究会被采光。 A gold mine is not a bottomless pit, the gold runs out.

[例句] 这个房间有十来扇窗户,采光甚佳. The room was well lighted by a dozen windows.