tracheal orifice

例句：

1. 1.The doctor performed a minor surgery on the patient's tracheal orifice.
   医生对患者的气管开口进行了一次小手术。
2. 2.During an emergency, medical personnel must quickly locate and repair the tracheal orifice to prevent further damage.
   在紧急情况下，医护人员必须迅速找到并修复气管开口，以防止进一步损伤。
3. 3. Tracheal orifices are small openings in the trachea that allow air to pass intothe lungs.
   气管开口是气管中的一种小开口，允许空气进入肺部。