The speaker shall limit himself to several aspects of the subject.

这位讲演者将方面来发表对这问题的看法。

The students enjoyed the speaker so much that the clapping continued for a long time.

"同学们非常欣赏那位讲演者的演讲,掌经久不息。"

I will start the ball rolling by introducing the first speaker.

我来介一下第一位讲演者作为开始。

Angry crowds converged on the speaker.

愤怒的群众向讲演者拥去。

Forgetting his speech disconcerted the speaker.

忘了演讲词使得这位讲演者手足。