n.(集会或游行的)示威者，示范者，演示者

原形：demonstrator复数：demonstrators

The demonstrator led the crowd through a series of yoga poses.
这位示范者带领人群做了一系列瑜伽动作。
She is an experienced demonstrator, skilled in showcasing new products to customers.
她是一位经验丰富的演示员，擅长向顾客展示新产品。
The demonstrator's explanation made the complex concept easy to understand.
演示者的解释使这个复杂的概念变得易于理解。
At the science fair, the children were mesmerized by the demonstrator's fire safety show.
在科学展览会上，孩子们被演示者的消防安全表演深深吸引。
The demonstrator flawlessly executed the recipe, impressing everyone with her culinary skills.
演示者完美地执行了食谱，她的烹饪技巧令人印象深刻。
The IT demonstrator walked the employees through the new software interface.
IT演示者向员工展示了新软件界面的操作流程。
The demonstrator's live demo of the software was a turning point for our sales.
演示者现场演示软件对我们的销售产生了转折性影响。
During the fashion show, the models demonstrated how to wear the outfits in different styles.
在时装秀上，模特们展示了如何以不同风格穿着这些服装。
The demonstrator was cautious while handling the chemicals in the chemistry lab.
在化学实验室里，演示者在处理化学品时非常谨慎。
The cooking demonstrator shared tips on knife skills and food preparation with the audience.
烹饪演示者与观众分享了刀工和食物准备的技巧。