单词	duff
释义	duff 2 (dŭf) n. 1. Decaying leaves and branches covering a forest floor. 2. Fine coal; slack. [Origin unknown.]
随便看	synthetase synthetic synthetically synthetic biology synthetic division synthetic speech synth-pop syntonic syntrophism syntrophy syntype syntypic sypher syphilis syphilitic syphon syphon Syr. Syracuse Syrah Syr Darya syrette Syria Syriac Syrian

英语词典包含135693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。