单词	cycloaddition
释义	cycloaddition noun cy·​clo·​ad·​di·​tion ˌsī-(ˌ)klō-ə-ˈdi-shən  : a chemical reaction leading to ring formation in a compound Word History First Known Use 1963, in the meaning defined above
随便看	drill sergeant drill steel drill stem drill team drill tower drill-like drill-stem test drillabilities drillability drillable drilled drilled into driller bepimpling beplaster bepowder bepraise bepranked bepuffed bepuzzle bepuzzlement bequeath bequeathal bequeathals bequeathed

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。