1883J. C. Van Dyke Bks. & how to use Them i. 19 There is another maximed truth in this connection..: ‘Knowledge is a two-edged sword.’
英语词典包含277258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。