| 单词 | visual aid |
| 释义 | Word Frequency visual aid(ˈvɪʒʊəl eɪd) noun 1. a device, such as a film, slide, model,or blackboard that is intended to supplement spoken information to aid understanding You can use a flip chart and other visual aids, although these will be secondaryto the spoken word. 2. something used to help vision, for example a magnifying glass |
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