speaker
n
1 person who makes speeches; person who speaks or was speaking 发言者; 演讲者; 说（著）话的人
May I introduce our speaker for this evening? 我来介绍一下今晚演讲的人好吗?
a good, poor, interesting, etc speaker 演讲水平高的人、 演讲能力差的人、 发言有趣的人
I turned and saw the speaker at the back of the room. 我转过脸看见说话的人是在屋子的最後面.
2 (infml 口) = loudspeaker (loud).
3 person who speaks a language 说某种语言的人
French speakers/speakers of French 说法语的人.
4 the Speaker person who presides over business in the House of Commons and other legislative assemblies （英国下议院及其他议会的）议长
`Order! Order!' shouted the Speaker. ｀安静! 安静!＇议长大声说道.
MP's trying to attract the attention of the Speaker 尽力引起议长注意的下议院议员.