有外星人拜访了他们。They have been visited by creatures from outer space.吉姆在这部电影里是个外星人.Jim is an alien in this film.有人见到过外星人 吗 ?Has anybody ever seen any beings from outer space?...

“外星人”的英语可以翻译为：extraterrestrial intelligence，extraterrestrial(ET)，alien...