demonstrator
n
1 person who teaches or explains by demonstrating (demonstrate 2) 示范助教
The demonstrators set up apparatus for the experiment. 示范助教安排好了实验装置.
2 person who demonstrates (demonstrate 3) 示威者; 游行者; 集会者
The noisy demonstrators were dispersed by the police. 喧嚷的示威者遭警察驱散.
🏥 医学释义
示教器
🗣️ 情景例句
Thanks for the haircut, keep the change.
谢谢你给我剪头,不用找了。
I like collecting stamps.
我喜欢收集邮票。
Fred realized that he had discovered an interesting and enjoyable way of making money.