upward lightning

名词 n.
中文释义

英文释义

名词 n.
  1. An upper-atmospheric optical phenomenon associated with thunderstorms, in which the lightning bolt projects straight into the upper atmosphere. countable,uncountable
    — Mysterious bluejets can be seen with the naked eye from the ground, but they are rare and difficult to spot.

词形变化

upward lightnings plural
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