noun🔗Share卟啉 Any of a class of heterocyclic compounds containing pyrrole rings arranged in a square or other similar shape; they are important in biochemistry in a form with a metal atom in the central cavity (hemoglobin with iron, chlorophyll with magnesium, etc.)."Hemoglobin, the molecule that carries oxygen in our blood, contains a porphyrin ring with an iron atom at its center. "血红蛋白，这种在我们血液中负责输送氧气的分子，含有一个卟啉环，其中心有一个铁原子。compoundbiochemistrychemistrysubstancemedicinephysiologybiologytechnicalChat with AIVocabulary GamePractice Reading
