英语词汇“training aid”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典-现代词典

单词	training aid
释义	training aid a mechanical contrivance used to supplement other forms and methods of training: Motion pictures and slides were used as training aids.
随便看	reexecution reexercise reexhibit reexhibition reexpand reexpansion reexpel reexperience reexperiment reexplain reexplanation reexplicate reexplication reexploration reexplore reexport reexpose reexposition reexposure reexpress reexpression reexpulsion ref ref. reface

英语词典包含168451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。