noun🔗Share反应物，反应剂。 Any of the participants present at the start of a chemical reaction"In the baking recipe, flour and sugar are key reactants that combine to form the cake. "在烘焙配方里，面粉和糖是关键的反应物，它们结合在一起形成了蛋糕。chemistrysubstancescienceChat with AIVocabulary GamePractice Reading
