英汉解释

n. 示威者；论证者；指示者；证明者

同义词

n. protester，sales demonstrator

参考例句

1. A demonstrator threw a rock.
一位示威者砸了块石头。
2. After the interruption, Wen reproached the demonstrator.
骚乱过后，温-总-理斥责了示威者。
3. The demonstrator should indicate the degree of this reliability .
验证者应该指出这种可靠的程度。

英英解释

n.
  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
  3. someone who participates in a public display of group feeling

网络释义

demonstrator
示教器; 论证者; 示威者; 示范者，演示者;
demonstrator programme
展示机飞行程序;
eyepiece demonstrator
目镜示教器;
sampling demonstrator
抽样示范教具;
speech demonstrator
语音示教器，语言演示器;