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The lamp takes energy from a plant growing in a wooden box and uses it to light up an LED light bulb.

这种灯从生长在一个木箱里的植物中获取能量，然后用它来点亮一个 LED 灯泡。

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Drivers who forget to light up at night often cause accidents.

晚上忘记开车灯的司机常常出车祸。

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And you know, they are really nice when they light up at night. "One couple we talked to was visiting from France.

VOA: special.2010.05.07

And instead of having the electron giving off energy as a photon, instead now the electron is going to take in energy from light and move up to that higher level.

与电子以光子形式施放能量不同,我们现在要从光中,获得能量到一个更高的能级。

麻省理工公开课 - 化学原理课程节选

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

Kodaji was one of the first sites in Kyoto to light up during momiji-gari and hanami.

BBC: Where to find Kyoto��s glow

"You don't have to light up the radar gun to be successful, " Uggla said.

WSJ: Davis breaks out in clutch, Mets rally past Braves

Finally, we were dazzled by two high-tech garments that harness LEDs to light up the night.

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