UFO

美 [ˌjuːɛfˈoʊ]

英

复数：UFOs

权威英汉双解

ufo

1.	不明飞行物，幽浮（全写为 Unidentified Flying Object）the abbreviation forUnidentified Flying Object (a strange object that some people claim to have seen in the sky and believe is a spacecraft from another planet)

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