bile stained casts

例句：

1. 1.The medical team used bile stains to identify the patient's blood type.
   医疗团队使用胆汁染色来识别患者的血型。
2. 2.The bile stained casts revealed a significant amount of bacteria in the patient's system.
   胆汁染色的铸件揭示了患者体内大量细菌的存在。
3. 3. The bile stained casts were used as evidence in the courtroom trial.
   胆汁染色的铸件作为法庭审判的证据。