spiel

推销话术、招揽词口语

The salesman launched into his usual spiel about extended warranties.

那名业务员开始讲他那套延长保固的推销话术。

长篇大论、一套说词口语

I had to sit through his whole spiel about healthy eating.

我只能坐著听他讲完那一整套健康饮食的长篇大论。

滔滔不绝地讲、大谈口语

He spieled for twenty minutes without letting anyone ask a question.

他滔滔不绝地讲了二十分钟，不让任何人提问。