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	litchi nut litchis lite litenesses liter literacies literacy literal literal contract literal-minded literalisation literalisations literalise literalised literaliser literalisers literalises literalising literalism literalisms literalist literalistic literalists literalities literality

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。