barium vacancy

例句：

1. 1. The patient's barium vacancy scan showed a small leak in the gallbladder.
   病人的钡餐造影显示胆囊有一小处渗漏。
2. 2. The research team found that barium vacancy sites were responsible for the disease.
   研究团队发现，钡空位是导致这种疾病的原因。
3. 3. The barium vacancy site was filled with a special dye to help diagnose the problem.
   用一种特殊的染料填充了钡空位以帮助诊断问题。