diffuse fibrocystic disease of lungs

例句：

1. 1. The disease diffusedthroughout the region.
   这种疾病在整个地区蔓延。
2. 2. Theinformation was diffused through various channels.
   信息通过各种渠道传播。
3. 3. Thenews diffused quicklyacross the country.
   新闻迅速在全国传播。