在 中文 中使用 外星文明 的示例及其翻译为 英语
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正如伊文思所说：“我们不知道外星文明是什么样子，但知道人类。
Evans: We don't know what extraterrestrial civilization is like, but we know humanity.”.当第一批外星文明登陆我们星球时，他们需以现有原材料尽其所用。
When the first extraterrestrial civilizations landed upon our planet, they needed to do the best with the raw materials they had available.但是，无论历史多么久远的外星文明，它们的科技发展到一定程度，就再也不能進步了。
However, no matter how long the history of alien civilization, their technology has developed to a certain extent, they can no longer progress.或者，也许这表明许多外星文明在技术先进到足以沟通后不久就会自我毁灭。
Or, chillingly, maybe this shows that many alien civilizations destroy themselves shortly after becoming technologically advanced enough to communicate.当然，谁也不能保证会有外星文明把氯氟碳化合物释放到它们的行星大气层里。
There is, of course, no guarantee that any alien civilisations will have been spewing CFCs into their planet's atmosphere.许多人都会想当然地认为我们还没有与外星文明进行过接触。
Most people take for granted that we still have not come into contact with extraterrestrial civilization.外星文明已经发现人类了，只是发回的信号还没到地球。
Alien civilization has discovered human beings, but the signal sent back has not yet reached the earth.问：如果有一天我们联系上了外星文明，他们的数学会和我们一样吗。?
Q: If some day we contact alien civilizations, will they have the same mathematics as us?不过即使外星文明并没有试图引起我们的注意，他们的活动也会产生可探测的痕迹。
But even if alien civilisations are not trying to get our attention, their activities could produce detectable signs.但如果答案是“否”，人类可能就不得不要设法解决一个更大的问题--怎样应对外星文明？
But if the answer is"no," humanity may have to grapple with an even bigger issue- how to cope with crowds of extraterrestrial civilizations.伊文斯的一句话已经成为降临派的座右铭:我们不知道外星文明是什么样子，但知道人类。
Mike Evans gave the Adventists their motto: We don't know what extraterrestrial civilization is like, but we know humanity.一个主要的理论是，外星文明正在使用环绕恒星运行的大型机器来获取能量。
One leading theory is that an alien civilization is using massive machines orbiting the star to procure energy.概要一些支持者相信，外星文明的到来或帮助人类克服当前的技术、生态、精神、和社会问题。
Some adherents believe that the arrival or rediscovery of alien civilizations, technologies and spirituality will enable humans to overcome current ecological, spiritual and social problems.德雷克方程式估计在地球周围存在着大约20个外星文明已经被探测到。
The Drake Equation estimates that there should be around 20 alien civilisations close enough to Earth to have been detected.不过，专家尚未将其它反常规的解释排除在外，如这些信号来自外星文明等。
However, experts are still not ruling out more unorthodox explanations such as signals coming from an alien civilisation.如果外星文明曾经发现过这个记录，它可以用它来定位地球。
If an alien civilization ever found the record, it could use it to locate Earth.概要一些支持者相信，外星文明的到来或帮助人类克服当前的技术、生态、精神、和社会问题。
Adherents believe that the arrival or rediscovery of alien civilizations, technologies and spirituality will enable humans to overcome their current ecological, spiritual and social problems.同样地，在其科学发展进程中，外星文明是否会像人类一样，在哥白尼体系中对太阳系进行建模？?
Similarly, would an alien civilization, in its scientific development, come to model its solar system as humanity has, in the Copernican system?定向泛种论：这是其他行星的先进外星文明、或甚至是在未来的人类故意播种。
Directed Panspermia: This is the intentional seeding of other planets by advanced Alien civilizations or even the human race in the future.外星文明一直在监看我们，他们的外表从任何西方传统物质论的观点来看，都是非常奇特的。
Alien civilizations have been monitoring us for a long time, and their appearance is different from any type of traditional Western materialist perspective.
