Extraterrestrial Highway外星人公路;外星公路;外星人高速公路
extraterrestrial origin行星影区
extraterrestrial source地外源
extraterrestrial space地球外空间
extraterrestrial environment[航] 地外环境;翻译
extraterrestrial geology[地质] 地球外地质学
extraterrestrial base[航] 航天站
Extraterrestrial manufacture外星制造
extraterrestrial sediment外层空间源沈积物
ADJ（形容词） Extraterrestrial means happening, existing, or coming from somewhere beyond the planet Earth. 地球外的 [正式][usu ADJ n]
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年的寻找外星生物的项目。
N-COUNT（可数名词） Extraterrestrials are living creatures that some people think exist or may exist in another part of the universe. 外星人