radiance

• 名词，指发出光或能量的性质，常与明亮、温暖或闪耀的外观相关。

A noun referring to the quality of emitting light or energy, often associated with brightness, warmth, or a glowing appearance.

不可数

1. Electromagnetic radiation measurementC1formalscientific

   The amount of electromagnetic radiation leaving or arriving at a specific point on a surface.

   辐射度

   • The sensor measures the radiance of the sun's rays.
   • Radiance values are crucial for climate modeling.
   • The instrument recorded the radiance from the distant star.

2. Brightness and light emissionB2formal

   The quality of being bright and sending out rays of light.

   光辉

   • The radiance of the morning sun filled the room.
   • Her smile had a warm radiance that lit up the room.
   • The diamond's radiance was breathtaking.

   同义词brightnessbrilliancedazzlegleamglowluminositylusterresplendenceshinesplendor

   反义词darknessdimnessdullnessobscurity

3. Health and happiness glowB2informal

   An attractive combination of good health and happiness that is visible in a person's appearance.

   容光焕发

   • She had a natural radiance after her vacation.
   • His radiance comes from a positive outlook on life.
   • The bride's radiance was evident on her wedding day.

   同义词bloombrightnessglowlustershinesparkle