demonstrator

英['demənstreitə(r)]美['demənstreitə(r)]

n.
1.（集会或游行的）示威者
2. 示范者；演示者

动　词：demonstrate

同：	[n.] protester, sales demonstrator

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。收藏
The police estimate the number of demonstrator at about 5,000
警方估计示威者的人数为五千左右收藏
Ivory Coast protesters carry the body of a demonstrator shot in front of a hotel in Abidjan, November 9, 2004.
象牙海岸人2004年11月9日抬着一名在阿比让宾馆前被射杀的示威者尸体. 收藏

a teacher or teacher's assistant who demonstrates the principles that are being taught
someone who demonstrates an article to a prospective buyer
[同] demonstrator, sales demonstrator

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