Level 6 · word 13,627 of 20,000

diffusion

/dɪˈfjuːʒən/ American
  • n. 传播, 扩散
Definition
  • n. the process of spreading something widely over an area
Example
The diffusion of the perfume filled the entire room within minutes.
几分钟内,香水的香气扩散开来,弥漫了整个房间。