urolithic

例句：

1. 1. Uroliths are formed when urine contains too much calcium and magnesium.
   结石是在尿液中钙和镁含量过高时形成的。
2. 2.The patient's kidneys were severely affected by the uroliths.
   患者的肾脏因结石而严重受损。
3. 3.The doctor advised him to drink plenty of water to help dissolve his uroliths.
   医生建议他多喝水以帮助溶解他的结石。