extraterrestrial

柯林斯词典

1. ADJ 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. 美國航空航天侷已經啓動了一個爲期10年的尋找外星生物的項目。
...extraterrestrial rocks. ...外星巖石。
2. N-COUNT Extraterrestrials are living creatures that some people think exist or may exist in another part of the universe. 外星人