膀胱内部检验镜

例句：

1. 1. The doctor used a cystoscope to examine the patient's bladder.
   医生使用膀胱内窥镜检查患者的膀胱。
2. 2.During the surgery, the surgeon inserted a cystoscope into the patient's urethra.
   手术中，外科医生将膀胱内窥镜插入患者的尿道。
3. 3. The cystoscope revealed that the patient had a small tumor in his bladder.
   膀胱内窥镜显示患者膀胱内有一个小肿瘤。