單詞
diffusion
英 [d?'fju??(?)n]
美[d?'fj???n]
基本信息
- n. 擴散，傳播；[光] 漫射
TOEFL低頻詞擴展詞匯
詞態變化
副詞:?diffusely;名詞:?diffuseness;形容詞:?diffuse;
英文詞源
- 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)).
雙語例句
- 1. There are data on the rates of diffusion of molecules.
- 有關于分子擴散速度的數據。
來自柯林斯例句
- 2. The invention of printing helped the diffusion of learning.
- 印刷術的發明有助于知識的傳播.
來自《現代漢英綜合大詞典》
- 3. This phenomenon , peculiar to the two - dimensional wave motion, is sometimes called diffusion.
- 二維波所特有的這種現象, 有時叫做彌散現象.
來自辭典例句
- 4. This regime is termed mass transport or diffusion limited.
- 這種方式被稱作質量輸送或擴散控制.
來自辭典例句
- 5. The effect of the diffusion capacitance can be troublesome.
- 擴散電容會引起麻煩.
來自辭典例句
diffusion相關單詞