diffusion [dɪˈfjuʒən]

例句:

• There are data on the rates of diffusion of molecules.
  有关于分子扩散速度的数据。
  
• The invention of printing helped the diffusion of learning.
  印刷术的发明有助于知识的传播.
  
• This phenomenon , peculiar to the two - dimensional wave motion, is sometimes called diffusion.
  二维波所特有的这种现象, 有时叫做弥散现象.
  
• This is caused by atomic diffusion at the interface.
  来自SA
• The coppery diffusion of light filtering down through crowds of turning leaves.
  来自H. E. Bates
• When other people are also around, a diffusion of responsibility occurs.
  来自BBC