diffuse feflectance spec-troscopy

例句：

1. 1. The oil diffused throughthe cracks in the wall.
   油通过墙壁的裂缝扩散开来。
2. 2. Thefragrance of the flowersdiffused throughout the garden.
   花园里花香四溢。
3. 3. Thenews quickly diffusedacross the country.
   新闻迅速传遍全国。