We've been introduced to this idea of the tone poem.

我们了解过交响诗这类作品

耶鲁公开课 - 聆听音乐课程节选

Alright, and all the rated X and all the pornography and all of that, that was everywhere

好吧，所有限制级影片和色情作品，所有的这类东西都曾在这里泛滥成灾。

过去的时代广场 - SpeakingMax英语口语达人