barium citrate

例句：

1. 1. The patient's X-ray showed a fracture in the left leg.
   患者的X光检查显示左腿骨折。
2. 2.The doctor prescribed barium citrate for the patient's digestive issues.
   医生为患者开了硫酸钡来治疗消化问题。
3. 3. Barium citrate is commonly used as a contrast agent in medical imaging.
   硫酸钡常作为医学成像的对比剂使用。