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

单词	visual aid
释义	visual aid any of various materials depending on the sense of sight, as films, slides, photographs, etc., used as aids in teaching. [1910-15]
随便看	switch cane. switched-on switch engine switcheroo switchgear switch grass switch-hit switchman switch-off switch-on switchover switch plate switch plug switchyard swith swither Swithin Switz. Switzer Switzerland swive swivel swivel chair swivel gun swivel-hipped

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。