The system is equipped with an ultraviolet lamp and a halogen lamp that produces near-infrared light.

VOA: special.2011.06.07

No one, until this time, had suggested that a system would be subjected to quantization except for light.

在他之前，还没有人提出过,除光系统外的量子化系统。

麻省理工公开课 - 固态化学导论课程节选

The red light is intelligible, in other words, within that semiotic system.

红灯在这样的语境里，就有了它的意义。

耶鲁公开课 - 文学理论导论课程节选

"With reform, we will make our financial system more transparent by bringing the kinds of complex backroom deals that helped trigger this crisis into the light of day."

VOA: standard.2010.05.15

He's also decided to give up leadership in Light up the World Foundation to start a company in India that will develop a more energy-efficient and cheaper lighting system that he hopes will bring even more light to the world's poor.

VOA: standard.2009.12.13