diffuse sky radiation

例句：

1. 1. The sun's raysdiffuse through the air.
   太阳的光线通过空气散射。
2. 2. Thechemical diffusesinto the water.
   化学物质在水中扩散。
3. 3. The news diffused quickly throughoutthe town.
   新闻迅速在整个城镇传播开来。