potassium sulfide

例句：

1. 1.Potassium sulfide is a common chemical used in industrial processes.
   硫酸钾是一种常见的工业化学品。
2. 2.The plant uses potassium sulfide to produce fertilizers.
   该植物使用硫酸钾生产肥料。
3. 3.In the laboratory, potassium sulfide is often used as an electrolyte in battery production.
   在实验室里，硫酸钾常被用作电池生产的电解质。