thiocarbonic acid

例句：

1. 1. This compound is used as a reducing agent in chemical reactions.
   这种化合物在化学反应中用作还原剂。
2. 2. The process involves the reaction of this acid with other chemicals to produce valuable products.
   这个过程涉及这种酸与其他化学品的反应，以产生有价值的产品。
3. 3.In the laboratory, thiocarbonic acid is often used to test for sulfur compounds.
   在实验室里，硫代碳酸常用于测试硫化物。