有一次我在天将暗时，独自穿越树林。

Once I walked through the woods when it began to get dark.

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在城市附近，空气会散射出灯光的强光，产生了一种照明，将最暗的星星隐藏起来，限制了望远镜能探测到的距离。

Near cities, the air scatters the glare from lights, producing an illumination that hides the faintest stars and limits the distances that can be probed by telescopes.

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经过过多的运算操作，暗文将最终变得杂乱无章。

After too many operations, the ciphertexts would eventually become too noisy.

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There are also all kinds of paradoxes and subtle puns and ironies, and in section where you'll be doing a lot of your close reading work, those are some of the things that will be drawn to your attention.

里面有各种悖论，微妙的双关语，明讥暗讽，在课上我们将会做很多精细的阅读，而那些就是你们应该注意的地方。

耶鲁公开课 - 旧约导论课程节选

It's really a technology initiative that's aimed to index the "dark" web or the hidden web, because according to computer scientists, right now the conditional search engines only index about 1% of the information on the Internet.

这是一项,致力于将暗网,或隐藏网页纳入索引的技术创新，根据计算机科学家的统计，条件式的搜索引擎只将,互联网上1%的信息纳入了索引。

斯坦福公开课 - 百度CEO李彦宏演讲：全球最大搜索引擎的发展课程节选