单词	contraplex
释义	contraplex adjective con·​tra·​plex ˈkän‧trəˌpleks : relating to or capable of sending two messages by telegraph in opposite directions at the same time compare diplex Word History Etymology contra- + -plex (as in duplex)
随便看	radio balloon radio beacon radio beam radio bearing radio car radio collar radio compass radio control radio direction finder radio electrician radio engineering radio field intensity radio field strength radio fix radio frequency radio galaxy radio link radio marker radio meteor radio navigation radio observatory radio proximity fuse radio range radio range beacon radio range station

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。