巧妙的照明会让人有屋子空间增大的感觉。

Clever lighting creates an impression of space in a room.

《牛津词典》

煤气可与烟雾缭绕的油灯和摇曳不定的蜡烛相媲美，在新世纪之初，富裕的伦敦人逐渐习惯了有煤气照明的房子，甚至街道。

Coal gas rivaled smoky oil lamps and flickering candles, and early in the new century, well-to-do Londoners grew accustomed to gaslit houses and even streets.

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光圈非常重要，因为它决定你的相机在不同照明条件下拍摄速度有多快，以及拍摄时的感光度(iso)为多少。

This is extremely important, because it determines how fast and at what light sensitivity (ISO) your camera can shoot in different lighting conditions.

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I wonder if there's some UV light out of this new lighting set up in our classroom here.

好的，我想知道这里,我们教室里的这套新的照明装置,是否有一些紫外光出来。

麻省理工公开课 - 化学原理课程节选