diffused double layer

例句：

1. 1. The news of the newpolicy was diffused throughout the city.
   新政策的新闻在整个城市中传播开来。
2. 2.The fragrance of the flowers diffusedthrough the air.
   花香弥漫在空气中。
3. 3. Thestory of the lost treasure was diffused among the locals.
   关于失落宝藏的故事在当地人中流传。