demonstrator meaning in English
n.
1.证明者；示范者；实验示教者；实物说明者。
2.示威者。
3.用来向顾客作示范表演的产品。
Examples
- Demonstrators broke through the police cordon .
示威者突破了警戒线。 - The police dispersed the demonstrators .
警察驱散了示威的队伍。 - The meeting was closed after the demonstrators interrupted it .
会议遭示威者干扰而结束。 - The demonstrators poured into the hotel, heading for the ballroom .
示威者涌进饭店，直奔舞厅。 - The demonstrator should indicate the degree of this reliability .
验证者应该指出这种可靠的程度。