speaker是什么意思中文翻译

　　I looked around to see who the speaker was.

　　我四下环顾看说话的是谁。

　　The speaker worked the crowd up into a frenzy.

　　演讲者把听众的情绪煽动得疯狂起来。

　　She listened to the speaker with rapt attention.

　　她全神贯注地听演讲者讲话。