blue jet

名词 n.

英文释义

名词 n.
  1. An upper atmospheric optical phenomenon associated with thunderstorms, a rapidly expanding disk-shaped region of luminosity, lasting less than a thousandth of a second, which occurs high above energetic cloud-to-ground lightning of positive or negative polarity.
    — Mysterious bluejets can be seen with the naked eye from the ground, but they are rare and difficult to spot.

词形变化

blue jets plural blue-jet alternative bluejet alternative
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