柯林斯詞典extraterrestrial /??kstr?t??r?str??l/ (extraterrestrials) 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. 美國航空航天局已經啟動了一個為期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 返回 extraterrestrial劍橋詞典(coming from) outside the planet Earth 地球外的；天外的 extraterrestrial beings 外星人 返回 extraterrestrial