crepuscular ray

名词 n.
中文释义

英文释义

名词 n.
  1. A sunbeam seen just after sunset or just before sunrise, caused by a cloud below the horizon and dust particles in the air above the horizon.
  2. A cloud shadow cast on the bright sky.

词形变化

crepuscular rays plural

词源

From the Latin crepusculum (“twilight”).
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