单词	causa sine qua non
释义	causa sine qua non Latin noun phrase cau·​sa si·​ne qua non ˈkau̇-ˌsä-ˌsi-nā-kwä-ˈnōn  : cause without which not : a necessary cause or condition
随便看	sonar sonarman sonarmen sonars sonata sonata da cam sonata da camera sonata da chie sonata da chiesa sonata form sonata-allegro form sonata-rondo sonata-rondos sonatas sonatas da camera sonatas da chiesa sonatina sonatinas sonation sonchi Sonchus sonchuses sonchusses sondage sondages

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。