demonstrator
US /ˈdem.ən.streɪ.t̬ɚ/
UK /ˈdem.ən.streɪ.tər/
名词
1.
示威者
a person who takes part in a public protest or demonstration
示例:
•
Thousands of demonstrators marched through the city streets.
数千名示威者穿过城市街道游行。
•
Police clashed with demonstrators outside the embassy.
警方与大使馆外的示威者发生冲突。
2.
演示员, 示范者
a person who demonstrates a product or method
示例:
•
The sales demonstrator showed us how to use the new software.
销售演示员向我们展示了如何使用新软件。
•
She works as a product demonstrator at trade shows.
她在贸易展览会上担任产品演示员。
3.
助教, 演示员
a teaching assistant, especially in a university science department
示例:
•
The lab demonstrator helped the students with their experiment.
实验室助教帮助学生进行实验。
•
She is a physics demonstrator at the university.
她是大学的物理助教。