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.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 ?The existe...

extraterrestrial的复数形式为：extraterrestrials...

extraterrestrials的音标：...

adj.地球外的，地球大气圈外的n.外星人...

NASA has started a 10-year search for extraterrestrial intelligence.美国航空航天局已经启动了一个为期10年的寻找外星人的项目。One theory about the existence of extraterrestrial life rests on the presence of carbon compounds in meteorites.地球外存在生命的理论是...

extraterrestrial的音标：extraterrestrial的英式发音音标为：[ˌekstrətə'restriəl]extraterrestrial的美式发音音标为：[ˌɛkstrətə'rɛstriəl]...

n.外星人( extraterrestrial的名词复数 )...

One theory about the existence of extraterrestrial life rests on the presence of carbon compounds in meteorites.地球外存在生命的理论是基于陨星上存在碳化合物质这一事实的.Methane may have extraterrestrial significance.甲烷具有星际意义.In going through the ea...