单词	addendum circle
释义	addendum circle noun : a circle touching the outermost points of the teeth of a circular gear wheel see pitch line Word History First Known Use 1870, in the meaning defined above
随便看	hydrides hydridoborate hydrids hydriform hydrilla hydrillas hydrindene hydriodic acid hydriodide hydrion hydriot hydriotaphia hydriote hydriotes hydriots hydro hydro- hydro-airplane hydro-hotel hydro-ski hydroabietyl alcohol hydroacoustic hydroaromatic hydroatmospheric hydrobasaluminite

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。