nephrolithic

例句：

1. 1. He was diagnosed with anephrolithic and requiredsurgery to remove it.
   他被诊断出患有肾结石，需要手术来移除它。
2. 2. Thepatient's urine tests showed highlevels of calcium, which could be aprecursor to a nephrolithic.
   患者的尿液测试显示钙含量高，这可能是肾结石的前兆。
3. 3. The nephrolithic can cause severe painand complications if not treated promptly.
   如果不及时治疗，肾结石可能会导致严重的疼痛和并发症。