单词	dictionary catalog
释义	dictionary catalog noun : a catalog having its entries (such as author, title, or subject) arranged in a single alphabet Word History First Known Use 1869, in the meaning defined above
随便看	operator operatorless operators operceles opercle opercled opercula opercular opercular bones operculars operculate operculated opercules operculi- operculum operculums opere citato operetta operettas operettist operettists operon operons operose operosely

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。