tracheal camera

例句：

1. 1. The doctor used a tracheal camera to examine the patient's lungs.
   医生使用气管镜检查患者的肺部。
2. 2. During surgery, the surgeon inserted a tracheal camera to visualize the surgical site.
   在手术中，外科医生插入气管镜以可视化手术部位。
3. 3. The tracheal camera was crucial in detecting and treating lung infections.
   气管镜在检测和治疗肺部感染中至关重要。