sodium polysulfide

例句：

1. 1.The chemical was used as a decontaminant in the industrial process.
   这种化学物质在工业过程中被用作去污剂。
2. 2.Sodium polysulfide is commonly used as an antimicrobial agent in food preservation.
   钠多硫化物常用于食品保鲜中的抗菌剂。
3. 3.In the laboratory, sodium polysulfide is often mixed with water to create a solution.
   在实验室里，钠多硫化物通常与水混合制成溶液。