speaker

详细解释:n. 说话人, 讲演者, 发言人, 喇叭, 扬声器
【计】 扬声器

词型变化：

名词:speakership

英语解释：

名词 speaker:

someone who expresses in language; someone who talks (especially someone who delivers a public speech or someone especially garrulous)同义词：talker, utterer, verbalizer, verbaliser