| 释义 |
n. model,film,video,chart,illustration 1. | 直观教具a picture, video, etc. used in teaching to help people to learn or understand sth |
n. | 1. something that is looked at as a complement to a lesson or presentation, e.g. a model, chart, or movie 2. a drawing, map, movie, etc. that people can look at to help them to understand a particular subject when you are teaching or explaining it to them |
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