Magister rerum usus; magistra rerum experientia. Use is the master ofthings; experience is the mistress of things. Co. Litt. 69, 229.
英语词典包含2567994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。