speaker
n.發言者;演講者;說話者;講(某種語言)的人；
復數： speakers；
例句：
The speaker announced the establishment of a new college.
發言人宣布了新學院的成立。 擴展資料
The evening started badly when the speaker failed to turn up.
那天晚上的活動壹開始挺糟糕，因為演講者沒有來。
The speaker ended by suggesting some topics for discussion.
演講者最後給出了幾個討論題。
There was a tight group of people around the speaker.
演講人周圍嚴嚴實實地擠了壹群人。