diffuse skills

例句：

1. 1. The oil will diffuseinto the surrounding soil.
   油会扩散到周围的土壤中。
2. 2. The news quickly diffused throughout the city.
   新闻迅速在整个城市传播开来。
3. 3. The fragrance diffused throughthe air.
   香气弥漫在空气中。