Fortunately,for many residents of Northern Canada, a robust telemedicine system of audio and video links is being tried out for rehabilitation services.

VOA: standard.2010.06.14

An automobile approaching with a souped-up audio system in it, and what sound do you hear at the very first?

一辆大声开着音响的汽车开来,最初,你会听到什么声音

耶鲁公开课 - 聆听音乐课程节选