n.游行示威者; 证明者，示范者; 实物说明者

VODER voice operation demonstrator → 语音合成器；语音操作演示器；语音分解器
VAP Demonstrator → 高附加值产品展示员
dynamic wheel demonstrator → 车轮动平衡表示器
demonstrator designator → 指示者
speech demonstrator → 语音示教器
High Energy Laser Technology Demonstrator → 高能激光技术演示器；高能激光技术；高能激光器技术演示；高能量雷射技术展示

1. Marshals tried to wrestle the demonstrator out of the room.
[汉]执法人员试图将这名示威者从屋子里拖出去。
——来自柯林斯例句
2. Saab dealers are currently giving away unaccompanied 24-hour test drives in posh demonstrator models.
[汉]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。
——来自柯林斯例句
3. " There you are — like a knife through butter,'said the demonstrator as the powered shovel swung back with its load.
[汉]当动力铲带着铲起的东西转回来时,示范的人说, “ 你瞧是不是,多么容易. ”
——来自《简明英汉词典》
4. The demonstrator should indicate the degree of this reliability.
[汉]验证者应该指出这种可靠的程度.
——来自辞典例句
5. Caption: A pro - Mousavi demonstrator painted her hand green and wore green accessories.
[汉]描述: 一名支持穆萨维的示威者将手染成绿色,并佩带了绿色标识.
——来自互联网

【Noun】

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