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

这位讲演将从几个发表对这个问题的看法。

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的演讲,掌声经久不息。"

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

我介一下第一位讲演作为开始。

Angry crowds converged on the speaker.

愤怒的群众向讲演拥去。

Forgetting his speech disconcerted the speaker.

忘了演讲词使得这位讲演手无措。