Debate about the exact nature of the dark side of the Universe - the dark matter and dark energy - continues to this day.

但宇宙的阴暗面(暗物质、暗能量)的本质究竟是什么，各方争论至今。

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Milton has his hero, Samson, bewailing the fact of his blindness: "o dark, dark, dark, amid the blaze of noon irrecoverably dark, total eclipse without all hope of day!"

弥尔顿描写到自己崇拜的英雄参孙悲叹自己失明：，黑暗，黑暗，黑暗，在正午的光辉中，无法改变的黑暗，黯然的没有一点希望。

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In a dark, dark woods there's a dark, dark house.

一片黑黑的树林里有一所黑黑的房子。

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Operators of the Hubble Space Telescope said the dark spot is about two times the length of the United States.

VOA: special.2009.08.25

I knew you in this dark: for so you frowned Yesterday through me as you jabbed and killed.

在黑暗中我认出了你,刺戮屠杀我的时候，你和昨天一样皱着眉。

耶鲁公开课 - 现代诗歌课程节选

I'm usually out early in the morning when it's still dark now because of the changing in the season.

我通常早上很早就出门，因为季节变换，那时天还是黑的。

中央公园的时光 - SpeakingMax英语口语达人

If one goes dark, they all go dark, like a string of Christmas lights.

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Meanwhile, in space, scientists are looking for the signatures of dark matter and dark energy.

CNN: How particle smasher and telescopes relate

Among other things, this telescope is also looking for evidence of dark matter and dark energy.

CNN: How particle smasher and telescopes relate