sarcinuria

例句：

1. 1. He was diagnosed with a kidney stone and had to stay in the hospital for several days.
   他被诊断出患有肾结石，不得不在医院住院几天。
2. 2.Kidney stones are a common cause of pain and discomfort in the lower back.
   肾结石是下背部疼痛和不适的常见原因。
3. 3.The patient was advised to drink plenty of water and avoid foods that can increase the risk of kidney stones.
   患者被建议多喝水，避免那些可能增加肾结石风险的食物。