The night was dark and quiet; my blood ran cold when I heard a strange noise outside at dark night.

夜晚黑暗而宁静；漆黑夜色中听到外面有奇怪的声响，我感到毛骨悚然。

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The dark pulses also transmit through certain fiber optic cables faster and with less noise than light pulses.

暗脉冲还通过光纤传输的速度比光脉冲速度更快而且噪音也更低。

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I was woken by a loud banging noise around 2.15am. I sat bolt upright in my bed and noticed a tall dark figure standing at the bottom of my bed.

凌晨大约两点一刻的时候我又被一声巨大的砰砰声给吵醒了，我立马直起身子，注意到我床尾处站着一个巨大的黑影。

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This allows the camera to capture natural, low noise handheld images in near-dark conditions without needing flash.

ENGADGET: Sony's Cyber-shot RX1 compact camera packs a full-frame sensor, 'fits in your palm' (hands-on)

It was a damp day and, after he had parked the van and set off down the forest track, even the noise of the Edinburgh-Glasgow motorway was muffled by thick, dark fir trees.

ECONOMIST: Robert Taylor