quinin

例句：

1. 1.Quinine is a key ingredient in many antimalarial drugs.
   奎宁是许多抗疟疾药物的关键成分。
2. 2.The patient was given quinine to treat his fever.
   病人被给予奎宁来治疗他的发烧。
3. 3. The chemist mixed the quinine powder with water to make it easier to swallow.
   药剂师将奎宁粉末与水混合，使其更容易吞咽。