柯林斯詞典visual aid (visual aids) 1. N-COUNT Visual aids are things that you can look at, such as a film, model, map, or slides, to help you understand something or to remember information. 直觀教具 返回 visual aid劍橋詞典something that you are shown , such as a picture , film , or map , in order to help you understand or remember information 直觀教具 返回 visual aid