英语词汇Permanent echo.怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	Permanent echo.
释义	permanent echo 【电子学】不变回波
随便看	go to Cain's go to Canossa go to church go to communion go to court go to Davy Davy's locker go to Davy Jones go to Davy Jone's locker go to Denmark go to earth go toes up go to ... expense go to expense go to expense to do something go to extremes go to extremities go together go together by the ear go to ... glory go to glory go to grass go to great ends go to great lengths go to great pains go to ground

英汉双解词典包含483723条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。