If so, the cosmos as we know it-full of stars and, maybe, full of life-will be a fleeting moment in an endless duration of cold, dark nothingness.

如果真是这样，那么我们所知道的那个满是恒星，没准儿还满是生命的宇宙也将只是一个寒冷，黑暗的无尽虚空世界中的短短一瞬。

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In the cold, dark waters of the Arctic, life abounds as it has for millions of years.

在北极圈寒冷黑暗的水域中，生命像百万年来那样一直繁盛。

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Above the stratosphere, visible as a darker blue bands, are higher and thinner atmospheric levels that gradually fade away into the cold dark vacuum of outer space.

平流层之上，看上去深蓝色的地带，是稀薄的高层大气，逐渐过渡到冷而黑暗的外层空间的真空地带。

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Even as the ice recedes, the Arctic will remain extraordinarily cold, dark, remote, expensive and difficult to operate in.

ECONOMIST: Climate change

The night was so cold and dark that the snow made squeaking noises as it settled in drifts around the big, square yard.

NEWYORKER: The Reptile Garden