diffusion

di'fju:ʒәn
托福

英文释义

n. (physics) the process in which there is movement of a substance from an area of high concentration of that substance to an area of lower concentration
n. the spread of social institutions (and myths and skills) from one society to another

中文翻译

n. 散播, 传播, 蔓延
[医] 扩散, 弥散, 漫射(光)

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记忆技巧

diffusion 由前缀 dis-（分开）和词根 fus（流）构成，表示“流散”或“扩散”的意思。

例句

1. The diffusion of light through the fog made it hard to see.
光线通过雾气的扩散使视线变得模糊。
2. Scientists studied the diffusion of gases in the atmosphere.
科学家研究了气体在大气中的扩散。
3. The diffusion of new ideas can lead to innovation.
新思想的扩散可以促进创新。

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