demonstrator中文什么意思

n.
1.证明者；示范者；实验示教者；实物说明者。
2.示威者。
3.用来向顾客作示范表演的产品。

• demonstrator engine:    表演的发动机
• demonstrator programme:    展示机飞行程序
• dynamic demonstrator:    动力表示器; 工作线路示教图

例句与用法

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1. Demonstrators launched a mock invasion of fort lewis on july 15 .
   七月十五日，示威群众向路易斯堡发动一次模拟的入侵。
2. Once more the demonstrators surged forward; again the police held firm .
   示威者又向前冲了一次，警察又坚定地挡住了一次。
3. At virtually the same moment the crowd of demonstrators in the hotel forecourt had rushed the police line and broken them .
   几乎就在同一时刻，饭店前院里冲击警察防线的示威者突破了防线。
4. The demonstrators would make themselves sufficiently a nuisance so that any police or security forces on the scene would be kept busy .
   示威者耍闹得很凶，使在场的警察和保安人员都个个手忙脚乱。
5. The demonstrators set up apparatus for the experiment
   示范助教安排好了实验装置

英文释义

名词

1. someone who participates in a public display of group feeling
   同义词：protester
2. someone who demonstrates an article to a prospective buyer
   同义词：sales demonstrator
3. a teacher or teacher''s assistant who demonstrates the principles that are being taught