The ambient reflection only reacts to ambient light; thus, using an omnidirectional light has no effect.

环境反射仅对环境光起作用，因此，使用全向光是无效的。

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If you shoot at this time you'll not only capture light from cars, but ambient light in the sky which can add atmosphere to your shots.

如果你在这个时间段拍摄，你不仅会捕捉到车的光而且天空中的干扰光可以烘托照片的氛围。

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One interesting feature is the bulb's auto-shutoff function. It will only shine when ambient light falls below about 200 lux.

这种灯还有一种有趣的自动关闭功能，它只能在周围光亮低于200流明的时候被点亮。

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The circumaural design and leatherette sealant of the headset's ear cups, block out all unwanted, ambient noise and allows players to only hear the awesome, intense audio of their games and music.

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Given its (relatively) bargain-basement price, we aren't sure how well Pioneer's latest nullifies ambient noise, but there's only one way to find out if they can give the best headset ever made a run for its money.

ENGADGET: Pioneer's SE-NC31C-K noise-cancelling earbuds are cheap, but are they effective?