1. The doctor cleared the patient's airway to help him breathe more easily.
医生清理病人的气道，帮助他更容易呼吸。

2. The flight attendant instructed passengers on how to use the oxygen masks in case of a blocked airway.
空乘人员告诉乘客如何使用氧气面罩，以防气道堵塞。

3. It is important to keep the airway clear during CPR to ensure proper oxygen flow to the lungs.
在进行心肺复苏时保持气道畅通非常重要，以确保氧气顺利进入肺部。

4. The construction workers wore masks to protect their airways from dust and debris.
建筑工人戴着口罩，保护他们的气道免受灰尘和碎片的侵害。

5. The hiker struggled to catch his breath as the high altitude affected his airway.
徒步旅行者在高海拔情况下呼吸困难，很难呼吸。

6. The paramedics quickly cleared the victim's airway before starting resuscitation efforts.
急救人员在开始复苏前迅速清理受害者的气道。