speaker英 [spik(r)] 美 [spikr] n.发言者;演讲者;说话者;讲(某种语言)的人复数 speakers
例句
It gives me great pleasure to introduce our guest speaker.
我很荣幸来介绍我们的特约演讲人。
The speaker was shouted down by a group of protesters.
一群抗议者大叫大嚷，盖过了讲话人的声音。
水利万物而不争,
而万物莫能与之争。
