gastric region

例句：

1. 1. The gastric region is where the stomach begins and ends.
   胃部区域是胃的起始和结束部分。
2. 2.During surgery, the gastric region needs to be carefully monitored.
   在手术期间，需要仔细监测胃部区域。
3. 3. The gastric region plays a crucial role in digestion.
   胃部区域在消化过程中起着至关重要的作用。