demonstratorKK [ˋdɛməˏnstretɚ] /ˈdɛməˌnstɹeɪtɚ/名詞1示威者、抗議者Thousands of demonstrators gathered outside the parliament building.數千名示威者聚集在國會大樓外。2示範員、示範者A demonstrator showed us how to use the new blender.一名示範員向我們展示如何使用這台新的攪拌機。3助教、實驗課指導員英式The lab demonstrator helped us set up the equipment.實驗課的助教協助我們架設器材。4展示車、試乘車、樣品We bought a demonstrator with only three thousand kilometers on it.我們買了一台只跑三千公里的展示車。