单词	conditio sine qua non
释义	conditio sine qua non noun con·​di·​tio sine qua non kənˈdishēˌō, -ditēˌō+ : an indispensable condition Word History Etymology Latin
随便看	fort royal Fort Smith fort stan Fort Stanwix National Monument fort sum Fort Sumter National Monument Fort Union National Monument Fort Wayne Fort Worth Fort-de-France fort-lamy Fortaleza fortalice fortalices Fortas fortazes fortazzes forte forted fortemente fortepianist fortepianists fortepiano fortepianos forter

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。