noun🔗Shareタンニン酸またはその誘導体Tannic acid or any of its derivatives."The strong tea had a bitter taste because it contained a lot of tannins. "その濃いお茶は、タンニン酸を多く含んでいたため、苦い味がした。compoundsubstancechemistrydrinkfoodplantChat with AIVocabulary GamePractice Reading
