gasoscope

例句：

1. 1.The doctor used a gasoscope to examine his patient's throat.
   医生使用内窥镜检查病人的喉咙。
2. 2. During the surgery, the surgeon used a gasoscope to view the inside of the patient's stomach.
   在手术过程中，外科医生使用内窥镜查看病人胃的内部。
3. 3.The gasoscope revealed that the patient had a small tumor in the esophagus.
   内窥镜显示病人食管里有一个小肿瘤。