英语词汇“dioptrics”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	dioptrics
释义	di·op·trics \dīˈäptriks\ noun plural but singular in construction Etymology: translation of Greek dioptrika, neuter plural of dioptrikos archaic : a branch of optics dealing with the refraction of light especially by lenses
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