内诊镜

例句：

1. 1. The doctor used an endoscope to examine his patient's throat.
   医生使用内窥镜检查了他的病人的喉咙。
2. 2. During the surgery, the surgeon used an endoscope to view the inside of the patient's chest.
   在手术过程中，外科医生使用内窥镜查看病人胸腔的内部。
3. 3. The endoscope allowed the doctor to see the tumor and perform a biopsy.
   内窥镜使得医生能够看到肿瘤并执行活检。