更新时间：2024-05-13 15:38:39
Noun:- a teacher or teacher's assistant who demonstrates the principles that are being taught
- someone who demonstrates an article to a prospective buyer
- someone who participates in a public display of group feeling
demonstrator是什么意思 demonstrator在线翻译 demonstrator什么意思 demonstrator的意思 demonstrator的翻译 demonstrator的解释 demonstrator的发音 demonstrator的同义词
