进入初中后,小龙无意间发现,不知是从哪一天起,自己的嗓音渐渐不像小学时那样清脆了,成了常被别人戏谑的“公鸭嗓子”。小龙自己也觉得奇怪,小时候那响亮圆润的嗓音跑哪去了?一、声带是什么声音的好坏是由声带决定的。喉腔内有自外侧壁突入腔内的黏膜皱襞叫声带,两侧声带之间的窄隙叫声门裂,当两侧声带并拢,由于气流冲击引起声带振动而发声。如 Into the junior high school, the dragons inadvertently found, I do not know from which day, my voice is not as crisp as primary school, has often been joking “Duck throat ”. Dragons themselves also find it strange, when the son of loud and clear voice went where? First, what is the voice of the sound quality is determined by the vocal cords. There are mucosal folds in the larynx that protrude into the lumen of the mucosa. The narrow gap between the vocal cords flanks on both sides. When the vocal cords are close together on both sides, the vocal cords vibrate and sound due to the impact of the air flow. Such as