noun🔗Share茜素， 茜素红. A red substance, 1,2-dihydroxyanthraquinone, extracted from madder root and used as a dye."The artist used alizarin to give the fabric a rich, crimson red color. "艺术家使用了茜素红，使这块布料呈现出一种浓郁的深红色。substancematerialchemistrycolorcompoundChat with AIVocabulary GamePractice Reading
