gastric layer

例句：

1. 1. The gastric layeris responsible for the absorption of nutrients fromfood.
   胃层负责从食物中吸收营养物质。
2. 2. During surgery, the gastric layerneeds to be carefully incised toavoid damaging vital organs.
   在手术过程中，需要小心切开胃层以避免损伤重要器官。
3. 3. The gastric layer plays acrucial role in digestion and absorption.
   胃层在消化和吸收过程中起着至关重要的作用。