I'm going to give an example or example of that--of the train kind of going by you, and the sound heading off in the other direction.

我将会举个例子,比方说,那种火车经过你时,它的声音会从别的方向传来

耶鲁公开课 - 聆听音乐课程节选

So Musorgsky knew this law of acoustics because he was a professional musician and was playing off of it to create this rather unusual and remarkable musical sound-scape here.

穆索尔斯基明白这个声学规律,因为他是位专业的音乐家,他通过制造这非凡卓越的音乐场景,表达了这个规律

耶鲁公开课 - 聆听音乐课程节选