He crossed to the nightstand and put out the light.

他走到床头柜边，把灯关掉。

《柯林斯英汉双解大词典》

I leave a light on when I'm out to discourage burglars.

我出门时开着灯以防夜盗闯入。

《牛津词典》

On the stairway to the basement, he took the light bulb out of the socket.

在通向地下室的楼梯上，他把灯泡从灯座上拧了下来。

《柯林斯英汉双解大词典》

I knew the sky was black because all the heat, which meant light to me, had died out of the air.

VOA: special.2009.11.15

So that means we're going to need to figure out what is the energy per photon that's emitted by that UV light.

所以那意味着我们将需要,计算出从紫外光源发射出的,每个光子的能量。

麻省理工公开课 - 化学原理课程节选

And sometimes it's a matter of factors that you need to figure out what it is, and maybe it's that there's extra light in the room we don't know about.

而且有时候它是,需要计算的一个因素，有时候这个房间里可能有,我们未知的额外的光。

麻省理工公开课 - 化学原理课程节选

Of the nine patients included in the trial, 8 out of the 9 were able to perceive light, and 7 out of 9 were able to definitely find the source of that light. 6 out of 9 had a significant portion of their vision restored, with some patients able to read letters out of books and also distinguish facial features.

FORBES: Second Test Of Retinal Implant Shows Restored Vision To The Blind

Recording the blips also requires sending this gathered-up light through microscope lenses to filter out rival light from the laser itself.

FORBES: On The Cover/Top Stories

With this latest iteration, we were able to capture sharp images in environments where there was far too little light to make out details with the naked eye, just as we have with the larger (and pricier) Nikon D3S. Our resulting scenes look like they were lit with sophisticated rigs, or in an environment that allotted far more natural light than was actually available.

ENGADGET: Canon EOS 5D Mark III field review Hands-on