gal.leinn.(名词)A brown or metallic green dye, C20H 2O 7, used as a pH indicator and in dyeing textiles. 倍因:一种棕色或金属绿色染料,C20H 2O 7,用作酸碱指示剂和用于给丝织物染色 来源:gall(ic acid) gall(ic acid)(phthal)ein (phthal)ein