They found that two hours of sitting before a bright screen at night reduced the sleep chemical levels by about 22%.

他们发现，晚上坐在明亮的屏幕前两小时，会使睡眠化学物质水平降低约22%。

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Bright screen won't let this happen.

明亮的荧幕绝对不会让这个事情发生。

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A large bright screen is placed on the ground of a spacious darkened room.

一个宽大而明亮的屏幕摆放在一间宽阔而黑暗的房间的地面上。

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But suddenly, a bright spot appeared on the television screen.

VOA: special.2009.07.22

Says it has the smartest and sharpest bright screen that Sony has ever brought to a smartphone.

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The combination of an optional keyboard, super-bright screen and NVIDIA-powered gaming was simply too much for me to pass up.

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The phone, which connected to the Internet, had a large bright screen and was operated by fingers on a touch-screen.

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