auroral

• 与曙光或极光（北极光/南极光）有关的，或像曙光、极光那样发光的。

Relating to or resembling the dawn or the aurora borealis/australis.

1. Relating to aurorasC1formal

   Pertaining to the natural light display in the sky, especially in polar regions, known as the aurora borealis or aurora australis.

   极光的

   • The auroral lights danced across the Arctic sky.
   • Scientists study auroral activity to understand solar winds.
   • The auroral display was visible from northern Canada.

2. Characteristic of dawnC2formal

   Resembling or associated with the early morning light or the period just before sunrise.

   黎明的

   • The sky had an auroral glow just before sunrise.
   • Her dress was a soft auroral pink, like the first light of day.
   • The auroral hues of the morning sky were breathtaking.

   同义词matutinalmorning

   反义词crepuscularnocturnal