| 单词 | index of refraction |
| 释义 | index of refraction in British Englishnoun another name for refractive index index of refraction in American English the ratio of the sine of the angle of incidence to the sine of the angle of refraction for a ray of light crossing from one medium into another |
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英语词典包含298861条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。