diffusion

英 [dɪ'fjuːʒ(ə)n]美 [dɪ'fjʊʒən]
  • n. 扩散，传播；[光] 漫射
TOEFL 低频词 扩展词汇

英文词源

diffusion (n.)
late 14c., from Latin diffusionem (nominative diffusio) "a pouring forth," noun of action from past participle stem of diffundere "scatter, pour out," from dis- "apart, in every direction" (see dis-) + fundere "pour" (see found (v.2)).

双语例句

1. There are data on the rates of diffusion of molecules.
有关于分子扩散速度的数据。
来自柯林斯例句
2. The invention of printing helped the diffusion of learning.
印刷术的发明有助于知识的传播.
来自《现代汉英综合大词典》
3. 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.
来自辞典例句
4. This regime is termed mass transport or diffusion limited.
这种方式被称作质量输送或扩散控制.
来自辞典例句
5. The effect of the diffusion capacitance can be troublesome.
扩散电容会引起麻烦.
来自辞典例句