UFO

英 [ˌjuː ef ˈəʊ]

美 [ˌjuː ef ˈoʊ]

n.  不明飞行物(全写为 Unidentified Flying Object)

复数：ufos　

BNC.41134 / COCA.12275

牛津词典

noun

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

柯林斯词典

• N-COUNT 不明飞行物
  AUFOis an object seen in the sky or landing on earth which cannot be identified and which is often believed to be from another planet.UFOis an abbreviation for (缩略=) 'unidentified flying object'.
  1. There has been a surge of UFO sightings in America.
     美国不明飞行物目击事件激增。

双语例句