The light is on. When you leave, please turn it off.

灯亮着。当你离开时，请把它关掉。

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Never cross the street when the red light is on.

红灯亮时不要横穿马路。

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The traffic must stop when the red light is on.

当红灯亮时，车辆必须停下来。

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Each is meant to represent the light of freedom as it shines on the seven seas and seven continents of the world.

VOA: special.2009.06.29

What we had just done a clicker question on is discussing light as a particle and the photoelectric effect, so we're going to finish up with a few points about the photoelectric effect today.

我们刚才做得课堂表决器那个问题,是讨论光作为一个粒子以及光电效应，所以今天我们将以一些,关于光电效应的观点作为结束。

麻省理工公开课 - 化学原理课程节选

So if we just go a tiny distance in here, this is Bud Light and so on.

那么如果我们稍微走点距离,这是百威淡啤酒,以此类推

耶鲁公开课 - 博弈论课程节选

Hopefully we find out more as more light is shed on all of this.

FORBES: The Rawesome Raid and the Controversy Over Raw Milk

But no further light is shed on the nature of these payments.

FORBES: ProPublica's 'Dollars for Docs': Will The Physician Payments Sunshine Provisions Clear The Haze?

An AF Assist Light is provided on the camera body to optimize focusing accuracy in the dark, while the Face Recognition AF function automatically detects up to 12 faces and pinpoints the focus on a main subject.

ENGADGET: Pentax offers 100 different custom color options for its Q10 mirrorless camera