I am sure you all know from physics class about how light moves in microscopic ways and that we can only see light when the wavelength of that light is in a specific range.

我相信，你们在物理课上都学过光是如何以微观的方式运动的，以及只有在光的波长在特定的范围内时我们才能看到光这一事实。

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Spectroscopy is basically the study of spectra and spectral lines of light, and specifically for us, the light from stars.

光谱学基本上是一种研究光谱和光谱线的学科，特别对我们来说，是研究恒星发出的光。

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Light pollution is largely the result of bad lighting design, which allows artificial light to shine outward and upward into the sky.

光污染在很大程度是因为照明设计得不好，人造光可以向外和向上照射到天空。

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The room has a feeling of solidity and permanence, but it also is a celebration of light and airiness.

VOA: special.2010.01.27

No, OK and that's correct, because each photon of light actually has more energy than is needed to eject an electron.

没有，好，对了，因为每一个光子实际上,都有更多的能量去逐出一个电子。

麻省理工公开课 - 化学原理课程节选

And out of that came the recognition that Thompson's plum pudding model is not sustainable in the light of this evidence.

从中我们得出,汤姆生的枣糕布丁原子模型,是不合理的。

麻省理工公开课 - 固态化学导论课程节选

It was originally Kusi, the city of light, and indeed the light is wonderful.

FORBES: Saving India's Silk Weavers

Cook and stir until the rice is light golden and each grain is coated with oil.

NPR: Recipes: 'Screen Doors and Sweet Tea'

Get it right and the dessert is light and spongy, the sourness of the cherries perfectly offsetting the sweetness of the cream.

BBC: The king of Kuchen in Black Forest, Germany