demonstrator
n
1 person who teaches or explains by demonstrating (demonstrate 2) 示范助教
The demonstrators set up apparatus for the experiment. 示范助教安排好了實驗裝置.
2 person who demonstrates (demonstrate 3) 示威者; 游行者; 集會者
The noisy demonstrators were dispersed by the police. 喧嚷的示威者遭警察驅散.
?? 醫學釋義
示教器
??? 情景例句
That's right.
是的。
The doctor did not reveal to him his hopeless condition.
醫生沒有向他透露說他的病已經沒治了。
I was having dinner at a restaurant when Tony Steele came in.