英语词汇“visual aid”的翻译、意思、用法、释义-英汉双解词典

单词	visual aid
释义	ˌvisual ˈaid noun [countable, usually plural] a picture, video, etc. used in teaching or giving talks to help people to learn or understand sth直观教具；视觉教具
随便看	pay scale foremen specialised initial yield maxima company doctor break-up value CSR capital expenditure depressed market charity own ECR sight unseen assets under management back end barrier to entry bill OR finding sensitively impeach with-profits magic circle activity sampling

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