n.奎宁，金鸡纳霜(过去用于治疗疟疾)

Quinine is an effective antimalarial drug used to treat malaria.
克里青是一种有效的抗疟疾药物，用于治疗疟疾。
The patient's fever subsided after they were administered quinine.
患者服用奎宁后，体温逐渐下降。
Quinine was discovered by French chemist Pierre Pelletier in 1820.
奎宁于1820年由法国化学家皮埃尔·佩里耶发现。
The symptoms of malaria can be treated with a course of quinine tablets.
疟疾的症状可以通过服用奎宁片来治疗。
Quinine is derived from the bark of the cinchona tree, native to South America.
奎宁来源于原产于南美洲的金鸡纳树的树皮。
The side effects of quinine include headache and nausea, but they are usually manageable.
奎宁的副作用包括头痛和恶心，但通常都能忍受。
In the past, quinine was used as a tonic for preventing malaria, but its role has since diminished.
过去，奎宁被用作预防疟疾的补药，但现在的作用已经减弱。
Pharmacists carefully monitor patients taking quinine to ensure they don't develop any allergic reactions.
药剂师会密切关注服用奎宁的患者，以防他们出现过敏反应。
Quinine is no longer the first-line treatment for malaria due to the emergence of drug-resistant strains.
随着抗药性菌株的出现，奎宁不再是治疗疟疾的一线药物。
Historically, quinine was a crucial component in the development of modern medicine.
历史上，奎宁对于现代医学的发展起到了关键作用。