demonstrator

汉语翻译

n. 论证者, 证明者, 指示者, 示威者
【医】 示教者

英语解释：

名词 demonstrator:

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
   同义词：sales demonstrator
3. someone who participates in a public display of group feeling
   同义词：protester

例句：

1. The police estimated the number of demonstrators at about2000.
   警察估计示威游行的人数大约为2000人。
2. A surge of demonstrators broke through the fence.
   汹涌而来的示威者冲破了围栏。

详细解释：

dem.on.stra.tor

n.（名词）
One that demonstrates, such as a participant in a public display of opinion.
示威者：示威的人，例如一个表达意愿的公开集会的参加者
An article or product used in a demonstration.
示范品，样品：用于展示的物品或产品