demonstrator

英 [ˈdemənstreɪtə(r)]

美 [ˈdemənstreɪtər]

n.  (集会或游行的)示威者; 示范者; 演示者

复数：demonstrators　

医学

BNC.6740 / COCA.8307

牛津词典

noun

• （集会或游行的）示威者
  a person who takes part in a public meeting or march in order to protest against sb/sth or to show support for sb/sth
• 示范者；演示者
  a person whose job is to show or explain how sth works or is done

柯林斯词典

• N-COUNT 示威者;示威游行（或集会）者
  Demonstratorsare people who are marching or gathering somewhere to show their opposition to something or their support for something.
  1. I saw the police using tear gas to try and break up a crowd of demonstrators.
     我看见警察正试图用催泪弹驱散一群示威者。
• 示范者;演示者
  Ademonstratoris a person who shows people how something works or how to do something.
• N-COUNT 样品;试用品
  Ademonstratoris an item for sale that customers can use and test so they can decide whether they want to buy it.
  1. Saab dealers are currently giving away unaccompanied 24-hour test drives in posh demonstrator models.
     萨博汽车的经销商目前正推出高档样品车无人陪同的 24 小时试驾活动。

英英释义

noun

• someone who participates in a public display of group feeling
  Synonym:protester
• someone who demonstrates an article to a prospective buyer
  Synonym:sales demonstrator
• a teacher or teacher's assistant who demonstrates the principles that are being taught

双语例句

• "There you are-like a knife through butter," said the demonstrator as the powered shovel swung back with its load. Blade-to-handle ratio. Does the blade look proportional to the handle?
  当装满泥土的挖土机转回来时，操作示范员说：你瞧，就像拿刀子切黄油块一样，十分容易。刀与刀柄的比例－刀与刀柄成比例吗？
• A Digital Demonstrator for the Measuring of the Degrees of Bending and Twisting of An Engine Connecting Rod
  发动机连杆弯曲度和扭曲度的数字检测装置
• One top European official, ( French, not British) groaned recently that: The average anti-capitalist demonstrator in London has more understanding of how markets work than the average German politician.
  一位欧洲高层官员（法国人，而非英国人）近来抱怨称，伦敦反对资本主义的普通抗议者，比普通的德国政治家更懂得市场是如何运行的。
• We've got a few more steps before it becomes a full aircraft program, but I do envision a demonstrator or'X'plane in the next couple of years. We're going to need that to establish credibility.
  在它成为一个全面的飞机计划以前，我们还有很多步的研究要做，但我能预见到几年后会有一架展示飞机或“X”飞机出现，让我们可以建立起可信度。
• Project leader should help demonstrator to record down all the question being asked by the customer.
  项目组长应该帮助演示者记录客户提到的问题。
• Marshals tried to wrestle the demonstrator out of the room.
  执法人员试图将这名示威者从屋子里拖出去。
• An open interference modulating demonstrator is introduced. It's simple in structure, small in volume, easy to operate and good in process demonstrating.
  本文介绍了具有结构简单、体积小、操作方便、开放式、演示过程良好的激光干涉调制演示仪。
• Working principle and design requirement are introduced. According to the teaching practice, an optical fiber gyroscope demonstrator is designed.
  介绍了光纤陀螺仪的工作原理及设计要求，根据教学实际，设计了光纤陀螺演示仪。
• The demonstrator had charged that the project was unsafe in the densely populated area, would create thermal pollution in the bay, and had no acceptable means for disposing of its radioactive wasters.
  示范者已经公开指责计画是不安全的在浓密人口稠密的区域中，会在海湾中产生热的污染，而且为解决它的放射性的铸损没有可接受的方法。
• Key Techniques for Inter-satellite Optical Communication and Preliminary Design of Optical Antenna of Demonstrator System
  卫星光通信关键技术与演示系统光学天线