stomatoscopy

例句：

1. 1.He underwent a stomatoscopy to diagnose the cause of his chronic stomach pain.
   他进行了一次胃镜检查，以诊断他的慢性胃痛的原因。
2. 2. The doctor recommended that she undergo a stomatoscopy for further evaluation.
   医生建议她进行一次胃镜检查以便进一步评估。
3. 3.During the procedure, the doctor inserted a long, flexible tube into her esophagus and then guided it through her stomach to the upper part of her intestines.
   在手术过程中，医生将一根长而灵活的管子插入她的食道，然后引导它穿过她的胃，到达她的上段肠道。