Bestselling Swiss author Erich von Daniken believed they were built by stranded extraterrestrials.

瑞士畅销书作家埃里希·冯·丹尼肯认为它们是由受困的外星人建造的。

This trend towards dealing with extraterrestrials as nearly equals, is encouraging progress for the human race.

这种以近乎平等的态度对待外星人的趋势，正鼓励着人类种族的进步。

One answer appeared in 1969, when the German researcher and writer Erich von Daniken proposed that the lines were drawn by extraterrestrials as runways for their aircraft.

1969年，德国研究人员兼作家埃里希·冯·丹尼肯提出，这些线条是外星人为它们的飞机绘制的跑道。

And we do not enjoy the term aliens and extraterrestrials.

所以我们也不喜欢被称为异形和外星人。

No extraterrestrials will ever land on Earth — at least, any more.

外星人将不会登陆地球——至少是再也不会了。

The extraterrestrials would probably be far in advance of us.

外星生命将很可能比我们先进许多。

The Raelians claim that human beings were created by extraterrestrials.

拉耶尔教派声称人类是外星人创造的。

The extraterrestrials may be too different from us to communicate with usefully.

也许是外星人与我们太不一样了而不能较好的沟通。

Hook: Nineteenth-century settlers in Arizona get gob-smacked by extraterrestrials.

看点：面对外星人，19世纪亚利桑那的开拓者们震精了。

If or when intelligent extraterrestrials discover us, it's anybody's guess what they'll do.

如果或者当智能外星人发现了我们，谁也猜不准他们会做什么。

Hook: Found footage unspools mysterious events. Extraterrestrials and Area 51 are involved.

看点：旧胶片风格、神秘事件、外星人、51区。

The most unappealing outcomes would arise if extraterrestrials caused harm to humanity, even if by accident.

如果外星人对人类使坏，即便是偶然地，最不理想的结果可能会出现。

So, what is the motivation behind the invading hoards of gun-toting extraterrestrials in "Battle: Los Angeles"?

那么，《洛杉矶之战》中一大群持枪入侵的外星人的动机是什么？

At Dulce Schneider maintained "gray" humanoid extraterrestrials worked side by side with American technicians.

施耐德主张，在杜尔塞“灰色”类人外星人(“小灰人”)在与美国的技术人员并肩工作。

And some claim that they have caught sight of extraterrestrials and can even describe their appearance in detail.

而有的则宣称已经看到了外星人，并能详细描绘他们的模样。

And some claim that they have caught sight of extraterrestrials and can even describe their appearance in detail.

一些人声称，他们已经看见外星人甚至可以详细描述他们的外表。

Of course the vast majority of "evidence" of extraterrestrials have simple (albeit WAY less exciting) explanations.

当然，绝大多数有关“地外生命”的证据都有简单(而远没那么令人兴奋)的解释。

Space aliens and extraterrestrials have long been popular subjects of Hollywood movies and science fiction literature.

外星人和天外来客长期以来一直是好莱坞电影和科幻小说的题材。

We felt that "translation" might be easier for extraterrestrials if we offered more than one work by a given composer.

我们感到，当我们放送出去的某个作曲家的音乐不止一首的话，地球以外的人要“理解”它或许会容易些。

The space saga follows the Terran story line as the Terrans fight off attacks from the extraterrestrials trying to take over.

这部太空史诗遵循人族的故事线索，第一部中人族击退了外星人发起的试图控制人类的进攻。

Extraterrestrials are critical of the people's amoral behavior referring to the humans' interference in nature's processes.

天外来客对人类干预自然进程的超道德行为表示谴责。

One popular theory is that they are created by extraterrestrials who are trying to give us signs, warnings, or other information.

一较为普遍的意见是它们由想要传达给我们信号、警告或其他信息的外星人创造。

Now we have compelling evidence that extraterrestrials acted in the past to influence human history - and may continue to do so!

但现在我们有令人信服的证据，证明外星人在过去的行动足以影响人类历史-并可能继续这样做！

Popularized in part by a woman who claims to receive messages from extraterrestrials, the Nibiru doomsday was originally predicted for 2003.

最广为人知的一条来源是：一个女人声称得到外星人的信息，说尼比奴会在2003年毁灭地球。

The famous physicist recently suggested that we should be wary of contact with extraterrestrials, citing what happened to Native Americans when

这位著名的物理学家最近提出，我们应该提防与外星人接触，他引用了当年欧洲人在美洲海岸登陆使原始印第安人发生些什么。

Mazlan Othman, a Malaysian astrophysicist, is set to be tasked with co-ordinating humanity’s response if and when extraterrestrials make contact。

担当这一重任的是马来西亚天体物理学家马斯蓝•奥斯玛，她的职责是，假设有外星人接触地球时，协调人类的应对行动。

He said humans were not going to be able to establish contact with the extraterrestrials through radio waves but through the power of thought.

他说，人类不能通过电波与天外来客建立联系，而能通过思想的力量建立联系。