Earlier,you heard him sing a song from one of the operas he enjoyed most.

VOA: special.2010.03.07

I heard the voice of harpers harping with their harps: and no man could learn that song.

我听到竖琴师用他们的竖琴反复演奏着：，…,没人能学会那首歌。

耶鲁公开课 - 弥尔顿课程节选

I heard the voice of harpers harping with their harps: and no man could learn that song.

我听到竖琴师用他们的竖琴反复演奏着：，…,没人能学会那首歌。

耶鲁公开课 - 弥尔顿课程节选