extraterrestrial being (ET)
extraterrestrial
alien
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例句与用法:
她面无表情地说她在后院看到绿色外星人.
She say with a straight face she see green spacemen in the back yard.
这个人声称见到了外星人,但是他受到了人们的嗤笑.
The man claimed that he had seen travelers from outer space, but he was laughed out of court.
这部电影一点都不如《外星人》那麽好.
The film wasn't anything like as good as ET.