Although laryngomalacia is the leading cause of stridor in infancy, vocal cord paralysis, despite its low incidence, is still the second most common cause.
摘要喘鸣是一岁婴幼儿呼吸
迫常见
主
,
头软化症是最常见
原因。
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Like playing a guitar string, singers use their vocal cords – a pair of folds in the throat that are stretched over the larynx, or voice box, another part of the throat, to produce a sound vibration - a quick, shaking movement.
就像弹吉他琴弦一样,唱歌的人用他们的声带——喉咙里横跨喉部或喉头的一对褶皱,喉咙的另一部分,来产生声音振动——一种快速的震动。