ferrous sulfate
ferrous-sulfate的词性：
n.（名词）
1. A greenish crystalline compound, FeSO4·7H 2O, used as a pigment, fertilizer, and feed additive, in sewage and water treatment, and as a medicine in the treatment of iron deficiency. Also called copperas
硫酸亚铁：一种用在污水和水处理中的发绿色的透明化合物，FeSO4·7H 2O，也用作颜料、肥料和饲料添加剂及缺铁治疗中的药物 也作 copperas