demonstrator
noun
Definitions of demonstrator noun
teacher(示範者)
- Countable(可數名詞)
An individual who explains or shows how something functions or how to perform a task.
展示者；講解者；示範者
A demonstrator provided a tutorial to customers on operating the new food processor.
一位展示者向顧客提供了操作新食物處理器的教學。
The salesperson also served as a demonstrator, providing detailed explanations of the new model's features.
這位銷售人員也擔任展示者，詳細解釋了新模型的功能。
At the workshop, an expert acted as a demonstrator, illustrating the latest research findings.
在研討會上，一位專家擔任展示者，展示了最新的研究發現。
activist(抗議者)
- Countable(可數名詞)
A person who participates in a public march or gathering to express disagreement with or support for a particular cause or individual.
示威者；遊行者
Demonstrators gathered in the city center to protest the new policy.
示威者在市中心聚集，抗議新政策。
Police arrested several radical demonstrators during the protest.
警方在抗議期間逮捕了幾名激進的示威者。
A group of demonstrators rallied outside the capitol building to voice their demands.
一群示威者在國會大廈外集會，表達他們的訴求。