noun 下载 🔗分享 金鸡纳树， 奎宁树。 A tree or shrub of the genus Cinchona, native to the Andes in South America but since widely cultivated in Indonesia and India as well for its medicinal bark. Examples : "The doctor explained that quinine, a medicine used to treat malaria, is extracted from the bark of the cinchona tree. " 医生解释说，用于治疗疟疾的药物奎宁，是从金鸡纳树的树皮中提取的。 plant medicine nature 与AI对话词汇游戏阅读练习
noun 下载 🔗分享 金鸡纳，奎宁。 Any medicine chiefly composed of the prepared bark of these plants. Examples : "During the malaria outbreak, the doctor prescribed cinchona to help reduce the patient's fever. " 在疟疾爆发期间，医生开了金鸡纳，以帮助病人退烧。 medicine plant substance 与AI对话词汇游戏阅读练习
