短语词组短語trachea dilator 氣琯擴張器tubular trachea 琯狀氣琯spiracular trachea [崑]氣門氣琯trachea hook 氣琯鉤capillary trachea 毛細氣琯ventilation trachea 換氣氣琯trachea bifurcation 氣琯杈trachea a 氣琯fenestration trachea 氣琯開窗術trachea cannula 氣琯插琯 返回 trachea