chromatopencil

例句：

1. 1.The doctor prescribed a chromatopencil to help the patient recover from his illness.
   医生开了一种色素沉淀剂来帮助病人恢复健康。
2. 2. The chromatopencil was effective in treating the patient's condition.
   这种色素沉淀剂对患者的病情有效。
3. 3.The patient took the chromatopencil daily for several weeks before seeing any improvement.
   患者每天服用这种色素沉淀剂几周后才开始看到任何改善。