gastric mill

例句：

1. 1.The gastric mill is a device used to grind food before it is consumed.
   胃磨机是一种用于在食用前研磨食物的设备。
2. 2.The gastric mill has been shown to improve digestion and reduce stomach acid reflux.
   胃磨机已被证明可以改善消化并减少胃酸反流。
3. 3. The gastric mill is commonly used in hospitals for patients who have difficulty swallowing or digesting solid foods.
   胃磨机通常用于医院中，供那些吞咽或消化固体食物有困难的患者使用。