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
But you can have one when you go home, Carl.
但你回去以后还可以办一个呀 ,Carl。
These clothes are dirty, they need to be washed.
这些衣服脏了,需要去洗。
Yes, I see. How can they get rid of waste water in this way? What a terrible colour the sea is now! It looks as if our class won't be able to bathe at all.