potassium arsenate

例句：

1. 1. This potassium arsenate is very effective in treating skin diseases.
   这种钾砷酸盐在治疗皮肤病方面非常有效。
2. 2. The potassium arsenate was used to treat the patient's burns.
   这种钾砷酸盐被用来治疗患者的烧伤。
3. 3. The potassium arsenate was dissolved in water for easy administration.
   这种钾砷酸盐被溶解在水中以便于服用。