speaker可数吗
speaker可数，复数形式是speakers speaker 美/ˈspiːkər/英/ˈspiːkər/ n.演讲者；扬声器；说话者；说某种语言的人 双语例句: In general, theSpeakerdoes not have a vote unless there is a tie vote. 议长一般没有投票权，除非发生平票的情况。 The chief function of theSpeakeris to preside over the meeting and mediate...