英语词汇optical crowns怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	optical crowns
释义	optical crown (低折射率的)冕光学玻璃
随便看	tithing tithingman tithingmen tithings tithonia Tithonian tithonians tithonias Tithonus tithonuss ti-ti titi titian Titianesque titians Titicaca Lake titillate titillated titillater titillates titillating titillatingly titillatings titillation titillations

英汉双解词典包含483723条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。