noun🔗Share生物碱 Any of many organic heterocyclic bases that occur in nature and often have medicinal properties."The coffee bean contains caffeine, which is a stimulating alkaloid. "咖啡豆含有咖啡因，咖啡因是一种具有刺激作用的生物碱。medicinechemistrysubstancecompoundphysiologybiochemistrybiologyplantChat with AIVocabulary GamePractice Reading
adjective🔗Share碱性的，类碱的。 Relating to, resembling, or containing alkali."The coffee's alkaloid bitterness kept him awake during the long study session. "咖啡的类碱苦味使他在漫长的学习过程中保持清醒。chemistrysubstancecompoundChat with AIVocabulary GamePractice Reading
