noun🔗Share奎宁,金鸡纳霜 A bitter colourless powder, an alkaloid derived from cinchona bark, used to treat malaria and as an ingredient of tonic water."During their trip to a region with malaria, they took pills containing quinine to prevent the disease. "为了预防疟疾,他们在去疟疾流行地区旅行期间服用了含有奎宁的药片。medicinesubstancechemistrybiochemistryChat with AIVocabulary GamePractice Reading