| English thesaurus | |||
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| ⇒ visual aids (devices, such as films, slides, models, and blackboards, that display in visual form material to be understood or remembered) | |||
| English thesaurus | |||
| |||
| ⇒ visual aids (devices, such as films, slides, models, and blackboards, that display in visual form material to be understood or remembered) | |||
