英语词汇“visual aid”是什么意思，“visual aid”的读音、用法及例句翻译-烛光网

词汇	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	love–lies–bleeding loving loving loving cup lovings low Low low-ball low beam low blood pressure low blow lowborn lowboy lowbred lowbrow low-cal Low Church low-class low comedy Low Countries low country low-density low-density lipoprotein low-density polyethylene lowdown

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