quinicine

例句：

1. 1. The patient was givena dose of quinicine totreat his fever.
   患者被给予奎宁剂量以治疗他的发烧。
2. 2. Thedrug quinicineis used to treat malaria.
   这种药物奎宁用于治疗疟疾。
3. 3. Quinine is extracted fromthe bark of the cinchona tree.
   奎宁是从金鸡纳树的树皮中提取出来的。