gastrolith

例句：

1. 1.He was diagnosed with a gastric lithl and required surgery.
   他被诊断出患有胃石并需要手术。
2. 2.The patient had to undergo an emergency gastric lithl removal.
   患者不得不接受紧急的胃石移除手术。
3. 3.The doctor advised him to avoid greasy foods and reduce his intake of alcohol, as these can increase the risk of developing gastric lithl.
   医生建议他避免油腻食物，减少酒精摄入，因为这些会增加患胃石的风险。