bile pigment

例句：

1. 1. The doctor examined the patient's liver and found high levels of bile pigments.
   医生检查了患者的肝脏，发现高浓度的胆汁色素。
2. 2. Bile pigments play a crucial role in digestion.
   胆汁色素在消化过程中起着至关重要的作用。
3. 3. The patient was given medication to reduce the bile pigments in his blood.
   患者被给予药物以减少血液中的胆汁色素。