noun🔗Share内酯，环酯。 A cyclic intramolecular ester derived from a hydroxy acid."Many fragrances in perfumes and foods are due to lactones, ring-shaped molecules formed from hydroxy acids within the substance itself. "许多香水和食物的香味都源于内酯（环酯），它们是羟基酸在物质内部形成的环状分子。compoundchemistrybiochemistryChat with AIVocabulary GamePractice Reading
