剑桥词典an operation to open the trachea (= the tube that carries air from the throat to the lungs ) through the front of the neck if it becomes blocked for any reason 氣琯造口術 An emergency tracheostomy may be required if something becomes caught in the trachea . 如果有什麽東西堵在氣琯裡了，就需要進行緊急氣琯造口術。 返回 tracheostomy