gastric surface

例句：

1. 1.The gastric surface of the stomach is lined with mucous membrane.
   胃的表面覆盖着黏液膜。
2. 2. The doctor performed a gastric surface biopsy to diagnose the patient's condition.
   医生进行了一次胃表活检以诊断患者的病情。
3. 3.During the surgery, the surgeon carefully removed the gastric surface tissue for further examination.
   在手术中，外科医生小心地切除了胃表组织以便进一步检查。