If you turn on the light quickly enough you can see what the dark looks like.

如果你开灯的速度足够快的话，那你就能看见黑暗是什么样子的了。

youdao

You finally turn on the light.

终于，你开了灯。

youdao

If you want the light on, turn it on.

如果你想让灯亮着，就打开它。

youdao

It can sense your location, so you can set your lights to turn on when you enter, turn off when you leave, or light your path as you walk down the hall, and so on.

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"You don't want to turn on the overhead light, " he says.

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He compares this to a battery-powered light, in which you hook up the wires and electrons flow to make a light bulb turn on.

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