"This will wedge itself in so tightly and completely block the airway that within minutes, because of lack of oxygen, a child will die."

VOA: standard.2010.02.23

Yeah, so like a giant wedge, that's why the cart seems to move in front of you, so we're talking about musical volume here.

对,就像个巨大的楔子,这就是牛车在你面前动起来的原因,所以,我们要谈的是音乐的音量

耶鲁公开课 - 聆听音乐课程节选

Yeah, so like a giant wedge, that's why the cart seems to move in front of you, so we're talking about musical volume here.

对,就像个巨大的楔子,这就是牛车在你面前动起来的原因,所以,我们要谈的是音乐的音量

耶鲁公开课 - 聆听音乐课程节选