同义词： sales demonstrator
同义词： protester
以上来源于: WordNet
N-COUNT Demonstrators are people who are marching or gathering somewhere to show their opposition to something or their support for something. 游行者; 集会示威者
I saw the police using tear gas to try and break up a crowd of demonstrators.
我看到警察使用催泪瓦斯试图驱散示威人群。
N-COUNT A demonstrator is a person who shows people how something works or how to do something. 展示者
...a demonstrator in a department store.
…一名百货商场的产品展示员。
Even when demonstrator hens reacted with obvious disgust to a specific food, via vigorous head shaking and bill wiping, there was no evidence that observers subsequently avoided eating that food.
即使是当作为演示的母鸡对某种特定的食物表现出明显的厌恶，比如使劲摇头和擦拭嘴，也没有证据表明它们随后会避免食用这种食物。
The special feature of the demonstrator is that the sensing elements have no need of an external power supply.
这种演示装置的特点在于，其传感器件不需要外部电源。
The demonstrator comes with a set of sample files for different scenarios, such as a Loan Approval or Purchase Order process.
验证器随着不同情景的一套样例文档而产生，例如贷款批准或购买订单流程。
according to Al Baghdadia TV. One demonstrator complained that the Iraqi government was "not doing enough to protect its citizens."
VOA: standard.2009.08.29
Demonstrator Yitzhak Liebowitz accused the government of abandoning Zionism and caving in to dictates from the United States.
VOA: standard.2009.12.10
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