unexplained aerial phenomenon

名词 n.

英文释义

名词 n.
  1. Synonym of unidentified aerial phenomenon (“UAP”).
    — 2012, Don Lipman, The Washington Post, "Red sprites, blue jets, and elves What are these mysterious, elusive phenomena?" During World War II (and probably before), high flying pilots were reported to have observed unexplained aerial phenomena (UAP), often now called transient luminous events (TLE’s), particularly in the vicinity of thunderstorms.

词形变化

unexplained aerial phenomena plural
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