Imagine that an alien species landed on Earth and, through their mere presence, those aliens caused our art to vanish, our music to homogenize, and our technological know-how to disappear.
想象一下，外星物种登陆地球，而他们的存在会让我们的艺术消逝，同化我们的音乐，也让我们的技术知识消失了。
He believes marks of alien life may even be found here on Earth.
他认为在地球上甚至可能会发现外星生命的痕迹。
But telling alien civilizations when we lived and how Earth was in our time is not the main objective of this 406kg metal sphere.
但是，告诉外星文明我们正处在地球的哪一时期并不是这个406公斤的金属球体的主要任务。
In the future, if any alien civilization arrives to Earth, they would be able to instantly tell the history of Earth's geography and know where in time we lived.
包括加州漂移到太平洋”在遥远的未来，如果任何一个外星文明到达地球，他们就会被告知地球形成的历史并且知道我们生活在哪个时期。
The Earth may exist in an underpopulated portion of the Milky Way, meaning we might not encounter another alien intelligence for a long, long time, if at all.
也许，地球所在之处是银河系的犄角旮旯，如果真是这样，我们在短期内不太可能与其他外星智慧生命有接触。
I'd argue that if it's just about resources, an alien race probably wouldn't bother pillaging Earth.
我认为，如果仅仅是为了资源，一个外星种族可能不会花费时间精力来掠夺地球。
The discovery of "Earth twins," with conditions similar to what we find here, will inevitably bring questions about alien life to the forefront.
探索其状况与我们这个星球相类似的“地球双胞胎”，将不可避免地把有关一些外星生命的问题放在显著地位。
In one scene, as Superman floats above the Earth, we hear his alien father in a voiceover.
在本片的一个场景中，超人悬浮在地球之上，观众听到他那位外星父亲的画外音。
Hawking's main concern was that a fleet of alien spacecraft could turn up wanting to strip mine the Earth for its bountiful resources.
霍金的主要忧虑是一队外星人飞船舰队可能会突然出现，想要将地球上储量丰富的矿藏洗劫一空。
A message would have to be simple—transmitted in a sort of alien Morse code—but we could detect it here on Earth.
讯息要简单，以一种外星莫尔斯电码格式发送，但我们可以在地球上探测到。
Aliens, or even just an alien probe, could have visited Earth long ago and inserted a message into some ancestral creature.
外星人，或仅仅是一架外星探测器，可能在很久前已访问过地球，并在一些古生物中注入了讯息。
Dr Baross said that looking for alien life has always involved using the Earth as a model.
巴诺斯博士表示，寻找外星生命时，总是使用地球作为参照物。
Often, alien beings who crash-land on Earth find that their alien biology gives them amazing powers on our planet.
通常那些迫降在地球上的外星人发现其特殊生理结构在我们的星球上拥有令人惊叹的能力。
Providing beneficial, neutral and harmful outcomes, the report is designed to prepare mankind for the possibility of an alien encounter on Earth.
报告主要目的是为与外星人在未来可能性的“交锋”提出假想，和对策。
Look for an alien artifact here on Earth: Earth has been around for billions of years-who says that aliens haven't been here before?
在地球上搜寻外星人工物品：地球已经存在了几十亿年，谁能说外星人过去未曾来过呢？
Eighteen years earlier, two Cornell physicists, Philip Morrison and Giuseppe Cocconi, had tried to imagine how an intelligent alien civilization might try to signal Earth.
十八年前，PhilipMorrison和GiuseppeCoccni，两位来自康奈尔大学的物理学家，致力于猜想智慧外星文明如何向地球发出信号。
Scientists could look for such hallmarks of alien technology on Earth and the moon, in near space, on Mars and among the asteroids.
科学家可以在地球和月球以及周围区域寻找地外技术的标志。
I've been looking up at the night sky for 20 years and not once have I ever seen anything that has aroused my suspicion that an alien visitor has popped by Earth to take a look.
我已经仰望星空20年了，但我还从来没看过什么东西，能让我觉得外星来客确实到访过地球。
Some people believe that alien visit Earth from other planets.
有些人相信有来自外星球的外星人访问地球。
People of Earth, dreamers of the universe and possible alien organisms of the beyond: you can swim like Scrooge McDuck in a Swiss bank vault in real life.
地球上的人类，宇宙中的梦想家和可能存在的外星生物：你可以在现实生活中的一个瑞士银行金库里像守财奴一样游泳。
Does this landscape look like an alien one? Of course, this is the Earth.
走走看看吧，看看这绝美的地球风光！
If an alien race is not interested in taking over the Earth but very interested in wiping out human beings all they have to do is enter orbit, and drop rocks.
如果一个外星种族对接管地球不感兴趣，但就想消灭人类，他们所要做的不过是进入轨道，朝地球扔岩石罢了。
The Sangheili - the alien race from the Biko Peace Talks - had sent an official transmission to UEG servers on Earth the day after the leaks.
圣赫利——比克星和平谈判中的外星种族——在泄密之后一天向UEG地球上的服务器发送了一则官方通讯。
In the 1951 film the Day the Earth Stood Still, Arquilla notes, a benevolent alien shuts down the machines of Earth's superpowers before they can spread nukes to other planets.
阿奎拉指出，在1951年的电影《地球停止转动的日子》中，地球上的超级大国在把核武器扩散到其他行星之前，一位行善的外星人关闭了他们的核装置。
Aliens, is a natural existence. In science fiction movies, there are many alien life came to earth for a variety of reasons.
外星人，是一个自然的存在。在科幻电影中，有许多外星人因为各种各样的原因来到地球。
Aliens, is a natural existence. In science fiction movies, there are many alien life came to earth for a variety of reasons.
外星人，是一个自然的存在。在科幻电影中，有许多外星人因为各种各样的原因来到地球。
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