metioprim

例句：

1. 1. This medication is used to treat certain types of cancer.
   这种药物用于治疗某些类型的癌症。
2. 2. The patient was given a dose of methotrexate to reduce the symptoms.
   患者被给予一剂量的甲氨蝶呤以减轻症状。
3. 3.Methotrexate is an anticancer drug that works by blocking the action of folate in the body.
   甲氨蝶呤是一种抗癌药物，它通过阻断身体中叶酸的作用来发挥作用。