But his administration is also re-examining current American policy which aims to isolate Iran from the world.

VOA: special.2009.03.07

Well,you can just--an engineer will just sit there and isolate that second of sound and then give a "times three" command and "boom," well,look at Pavarotti hold out that note.

嗯，你可以想象，工程师会只坐在那里，分离出的第二个声音,然后给了三拍命令和砰“,好吧，看帕瓦罗蒂能拖出那个音。

耶鲁公开课 - 聆听音乐课程节选