Visual aid
视觉器(幻灯片,电影,挂图)
📖 牛津释义
visual aid
(esp pl 尤作复数) picture, film, video, etc used as a teaching aid 直观教具.
🧩 词语组成解析
aid
[eid]
n. 帮助;助手;外援;辅助设备;
vt. 帮助;资助;救助;促进;
vi. 帮助;
🗣️ 情景例句
Two hours from now.
从现在起两小时。
Hello. I wish to speak to Mr.Chen?
喂，我想和陈先生讲话。
The trainer stands in front of the elephant holding a long stick with a sharp metal point.
驯练员手持一根有锋利金属尖头的长棒，站在象前。