luminant

例句：

1. 1. The sun is a brilliant source of light.
   太阳是一束耀眼的光。
2. 2.The diamond is incredibly bright and sparkles in the sunlight.
   这颗钻石非常明亮，在阳光下闪烁。
3. 3. The room was bathed in a warm, luminant glow.
   房间被温暖的、发亮的光线所笼罩。