色欲tv国产亚洲_久久午夜夜伦鲁鲁影院_一级特黄无码A片在线观看_免费黄色性感一级片_国内破女处破苞视频hd_欧美三级少妇免费_亚洲美腿丝袜福利一区_白丝秘书被躁到高潮视频av_91麻豆精品分享的内容是很丰富的_国产原创免费av网站

diffusion

英 [d?'fju??(?)n] 美[d?'fj???n]
  • n. 擴(kuò)散,傳播;[光] 漫射

TOEFL低頻詞擴(kuò)展詞匯

詞態(tài)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(yǔ)例句


1. There are data on the rates of diffusion of molecules.
有關(guān)于分子擴(kuò)散速度的數(shù)據(jù)。

來(lái)自柯林斯例句

2. The invention of printing helped the diffusion of learning.
印刷術(shù)的發(fā)明有助于知識(shí)的傳播.

來(lái)自《現(xiàn)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(xiàn)象, 有時(shí)叫做彌散現(xiàn)象.

來(lái)自辭典例句

4. This regime is termed mass transport or diffusion limited.
這種方式被稱作質(zhì)量輸送或擴(kuò)散控制.

來(lái)自辭典例句

5. The effect of the diffusion capacitance can be troublesome.
擴(kuò)散電容會(huì)引起麻煩.

來(lái)自辭典例句