英语词汇demonstrator怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	demonstrator
释义	demonstrator /ˈdemənˌstreɪtə/ n. 1.(demonstrationist)示威者 a crowd of angry demonstrators一群愤怒的示威者 2.(sales person)(产品等的)演示者, 示范者 3.【教育】(teacher)示教讲师 4.(piece of merchandise)演示品；展示品
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