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
Mrs. Montefiore from the Watermill Inn.
是Watermill Inn的Montefiore太太打来的电话。
I'll probably go out for lunch at about 12:30.
我将可能在大约12:30去外面吃午餐。
The only passengers, a young woman and her two baby daughters, were unhurt.