sodium thiosulfate

例句：

1. 1. This chemical reacts with water to form sodium thiosulfate.
   这种化学物质与水反应生成亚硫酸钠。
2. 2.Sodium thiosulfate is commonly used as a preservative in food packaging.
   亚硫酸钠常用于食品包装中作为防腐剂。
3. 3. The process involves dissolving sodium thiosulfate in water and then adding it to the solution.
   该过程涉及将亚硫酸钠溶解在水中，然后将其添加到溶液中。