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 气管造口术 An emergency tracheostomy may be required if something becomes caught in the trachea . 如果有什么东西堵在气管里了，就需要进行紧急气管造口术。 返回 tracheostomy