noun🔗Share醛，乙醛类。 Any of a large class of reactive organic compounds (R·CHO) having a carbonyl functional group attached to one hydrocarbon radical and a hydrogen atom.""Some fruits, like ripe apples, contain aldehydes, which contribute to their characteristic sweet smells." "有些水果，比如成熟的苹果，含有醛类，这些物质赋予了它们特有的香甜气味。compoundsubstancechemistrybiochemistryChat with AIVocabulary GamePractice Reading
