speak的名词是什么

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。

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。