raucity

The issue of vocal cords vibrating in voice training is easy to lead to making voice dark,dry and coarse,raucity even caused pathological changes such as vocal cords polyp.

在声乐实践中,由于缺少对声问题积极而细微感知和研究,从而产生了一系列诸如声音、卡、沙、抖、暗现象,乃至出现声息肉、小结等病变,从而延长声乐过程。