speaker的名词是什么

speaker的名词是speaker；

speaker

n.发言者;演讲者;说话者;讲(某种语言)的人；

复数 speakers；

例句

The speaker announced the establishment of a new college.

发言人宣布了新学院的成立。

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。

The speaker ended by suggesting some topics for discussion.

演讲者最后给出了几个讨论题。

There was a tight group of people around the speaker.

演讲人周围严严实实地挤了一群人。