That's why cameras use flashes in low-light environments: the flash gives the camera's sensors an extra dose of photons, the particles that make up light, Fergus says.

费格斯说，照相机在光线昏暗的情况下需要使用闪光灯的原因是：闪光给照相机传感器提供大量额外光子，光线正是由这种粒子组成的。

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At first, visions of the TARDIS and traveling through time come to mind. However, the technology is used to speed up light and slow it down on opposite sides, thereby creating a "gap."

另外一项技术依靠的是通过改变光纤的密度来控制光的速度，在一端把光速加快，在另一端让它慢下来，从而造出一个“缺口”，在这个时间缺口里，你做任何事情都是没法被别人看到的。

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The harsh light showed up the lines on her face.

在耀眼的光线下，她脸上的皱纹清晰可见。

《牛津词典》

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

Oedipa Maas in Crying of Lot 49 will sit up on a bluff overlooking San Narciso, and she'll look down at the pattern of light.

拍卖第四十九批》里的奥狄芭·马斯也会坐在悬崖上,俯看纳西索，看各式的光。

耶鲁公开课 - 1945年后的美国小说课程节选

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

U.S. economic growth comes up light in the second quarter with GDP numbers coming in well below forecasts.

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

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The arcade is stocked with multiplayer sit-down driving games and stand-up light gun games, as well as Sonic air hockey tables, as well as traditional boardwalk games like skee ball.

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