radiant ceiling heating

例句：

1. 1.The sun is radiant with warmth and light.
   太阳散发着温暖和光芒。
2. 2.Radiant heat from the sun warms the earth.
   太阳的辐射热使地球变暖。
3. 3. The radiant glow of the diamond catches the eye.
   钻石那耀眼的光芒吸引了目光。