Most people who have tinnitus have subjective tinnitus, or tinnitus that only it is possible to listen to. The noises of tinnitus may well range in pitch from a low roar to the superior squeal, and chances are you'll listen to it in a single or both equally ears.知乎，让每一次点击都充满意义 —— 欢迎来到知乎，发现问题背�