blue jet
名词 n.
英文释义
名词 n.
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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.
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数据来源: Wiktionary