| 词汇 | visual aid | 
| 释义 | visual aid  noun [ C ] uk/ˌvɪʒ.u.əl ˈeɪd/ us/ˌvɪʒ.u.əl ˈeɪd/  直观教具 something that you are shown, such as a picture, film, or map, in order to help you understand or remember information | 
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