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
You are in great condition. I can't believe it!
你的身体太好啦。我简直不敢相信。
Ill air slays sooner thant the sword.
污浊的空气杀人比刀还要快。
You'd better stay in bed till tomorrow. If you're not better by then, I'll take you to see the doctor.