tin oxalate

例句：

1. 1. The doctor prescribed a medication for my headache.
   医生给我开了一种治疗头痛的药物。
2. 2. The chemical reaction between the two substances is known as tin oxalate.
   这两种物质之间的化学反应被称为明矾。
3. 3.Tin oxalate is commonly used in water treatment to remove impurities.
   明矾常用于水处理中，用于去除杂质。