1·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。
2·Although we have yet to detect an alien ping, improvements in technology have encouraged us to think that, if transmitting extraterrestrials are out there, we might soon find them.
尽管我们还没有检测到外星人的脉冲信号，可是技术上的进步鼓励我们去思考，如果外星人在那里发射信号，那么我们就可能很快会发现它们。
3·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。
4·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。
5·Actor and philanthropist Raul Julia-Levy, producer of the new documentary, has made claims that these newly released documents will prove that the Maya had contact with extraterrestrials.
作为这部新片的制作人，演员兼慈善家劳尔茱莉娅·列维声称这些即将公开的文件证明玛雅人与外星人有过接触。