breather plug

例句：

1. 1. The doctor inserted the breathing tube plug into the patient's nose to help him breathe.
   医生将呼吸管插头插入患者的鼻子，帮助他呼吸。
2. 2.The patient was given a breathing tube plug to prevent him from inhaling any foreign objects.
   患者被给予一个呼吸管插头，以防止他吸入任何异物。
3. 3. The ventilator was connected to the breathing tube plug, and the patient was able to breathe again.
   呼吸机连接到呼吸管插头上，患者重新能够呼吸了。