speaker n. 演讲者；扬声器；说话者；说某种语言的人；
例句：
They rose to applaud the speaker.
他们起立向演讲者鼓掌。
The wire led to a speaker.
这电线连接着扬声器。
扩展资料
The speaker worked the crowd up into a frenzy.
演讲者把听众的情绪煽动得疯狂起来。
She listened to the speaker with rapt attention.
她全神贯注地听演讲者讲话。
The speaker announced the establishment of a new college.
发言人宣布了新学院的成立。
The speaker ended by suggesting some topics for discussion.
演讲者最后给出了几个讨论题。
The evening started badly when the speaker failed to turn up.
那天晚上的活动一开始挺糟糕，因为演讲者没有来。
