J16244697extraterrestrialSpoken.74Fiction.105Magazine.292Newspaper.44Academic.182extraterrestrial
/ˌekstrətəˈrestrɪəl/of or from outside the earth or its atmosphere
地球（或其大气层）以外的; 宇宙的：
searches for extraterrestrial intelligence.
对地球外智能生物的探寻。
a hypothetical or fictional being from outer space, especially an intelligent one
（假想或虚构的）外星人, 天外来客。