Once again the road was plunged in darkness.

道路又一次陷入黑暗之中。

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My eyes had all at once been opened; till then I had walked in darkness, yet knew it not...

我的视线顿时豁然开朗；在这之前我一直在黑暗中行走，却还茫然不觉。

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Dinosaurs living in the intense cold and months-long darkness of the South Pole were once thought to hibernate during the winter months just to survive.

南极地区气候寒冷，而且有长达数月的极夜。人们曾经认为生活在那里的恐龙会通过冬眠来度过冬季。

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The Sun set just a few hours later, leaving us once again in the darkness.

BBC: Surviving the worst winter in the world

They would go before sunrise or hold it in until darkness fell once again to avoid being seen.

CNN: In India's villages: No toilet, no bride

Once the action is underway the crowd is kept in darkness, similar to watching a football match under floodlights, but they are kept in touch with match statistics and disputed line call replays on a giant four-sided screen above the court.

CNN: How tennis aced austerity