gastric vacuole

例句：

1. 1.The gastric vacuole is a small sac that contains the stomach's contents.
   胃泡是包含胃内容物的一个小囊。
2. 2. Gastric vacuoles are found in the walls of the stomach and help to regulate the acidity of the stomach juices.
   胃泡存在于胃壁中，有助于调节胃液的酸度。
3. 3. During digestion, the stomach empties its contents into the gastric vacuole.
   消化过程中，胃将其内容物排入胃泡。