单词	fluor crown
释义	fluor crown noun : a crown glass that contains fluorine, that has a low refractive index, and that is used especially for optical equipment Word History Etymology fluor-
随便看	droughtinesses droughts droughty drouk drouked drouket drouking droukings droukit drouks drouth drouthier drouthiest drouths drove drove (away or off) drove (into) drove away drove away or off drove into drove off drove out drove road drove way droved

英语词典包含469781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。