胆汁

例句：

1. 1. The doctor prescribed medication to help the patient recover from his illness.
   医生开了药来帮助病人恢复健康。
2. 2. The scientist conducted experiments to study the properties of this chemical.
   科学家进行了实验来研究这种化学物质的性质。
3. 3. The patient's condition improved after taking the prescribed medication for a week.
   患者服用了医生开的药物一周后，病情有所好转。