Russian scientists expect humanity to encounter alien civilizations within the next two decades, a top Russian astronomer predicted on Monday.

俄罗斯一位权威天文学家周一预测，在未来二十年内，人类将能和外星人相遇。

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But within the next few years, astronomers expect to find dozens of alien earths that are roughly the size of our planet.

但是在接下来的几年内，天文学家期待着发现几十个在大小上大致类似于我们这颗行星的星外地球。

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This felt very alien at first, but I’m growing to like this new approach better. My days are no longer so quantized — one day flows smoothly into the next.

这种感觉很陌生，但我更喜欢这种感觉，我的时间变得不是那么量化，一天接着一天慢慢的流淌。

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The borg is a character in the television show Star Trek: The Next Generation, an alien life form that is part human and part machine.

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Barack Obama or Mitt Romney will face their share of difficult times, but it is unlikely the next president will be tested by an invading alien force.

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