英语词汇visual aid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	visual aid
释义	visual aidn.（名词） An instructional aid, such as a scale model, filmstrip, or videotape, that presents information visually.直观教具：一种以视觉形式呈现出信息的教学辅助，如比例模型、幻灯片或录相等
随便看	critical point critical pressure critical state critical temperature criticaster criticasters criticise criticism criticisms criticize criticized criticizes criticizing criticked criticking critics critique critiqued critiques critiquing Crittenden critter critters crittur CRNA

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