extraterrestrials的例句（extraterrestrials在句子中的用法）

• The existence of extraterrestrials is just hypothesis. 有外星人的说法只是一种假定.
• I figured why search for extraterrestrials when you can help with research? 当你可以帮助科学研究时,为什么要寻找外星生物 呢 ?
• It may have been the closest that humankind has ever come to encountering extraterrestrials. 这可能是人类最近地遇到外星球生物.