背光键盘起源于普通键盘，在国内游戏市场的带动下，为了满足更多更高的玩家需求。键盘开发商便开始研究多功能的键盘。其中就有背光键盘，背光键盘主要体现在键盘按键或者面板发光，可以在夜晚不开灯的情况下也能清楚的看到按键字母。
由于背光键盘大受欢迎，现在好几款笔记本上都安装了背光键盘，但它实际上牺牲了一小时的待机时间。
The backlit keyboard, a welcome feature that has since found its way into several PC notebooks, knocked that figure down by over an hour.
我们认为这是一个周围灯光传感器，支持阿达莫的背光键盘。戴尔公司已经用在其他一些最近的笔记本电脑光传感器。
We believe this is an ambient light sensor to support the Adamo's backlit keyboard. Dell has used light sensors in a few other recent notebooks.
有些审美主义者声称，苹果最出名的就是它的设计，而苹果的设计是很难复制的，比如它的背光式键盘。
Some of the aesthetic flourishes Apple is best known for may be hard to duplicate, meanwhile, such as backlit keyboards that light up in the dark.
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