natrium bisulfurosum

例句：

1. 1.This chemical is used as a preservative in many food products.
   这种化学物质在许多食品产品中用作防腐剂。
2. 2. The manufacturer claims that the product has no harmful effects on human health.
   制造商声称该产品对人类健康无害。
3. 3.In some cases, the addition of this chemical can improve the flavor of the food.
   在某些情况下，这种化学物质的添加可以改善食物的味道。