论文部分内容阅读
听到这个名字你可能会感到很奇怪,因为我们听单放机的耳塞平常是戴在头上或塞在耳孔里的,哪有用挂柄挂起来的呢?
You may find it strange to hear this name, because the earbuds we listen to are generally worn on the head or in the ears, and how can the handles be hung?