subwaxy soap

例句：

1. 1.The chemical was used to treat water pollution.
   这种化学物质被用来处理水污染。
2. 2. The subway system is a popular mode of transportation in the city.
   地铁系统是该市流行的交通工具之一。
3. 3.The subwaxy soap is gentle on the skin and leaves it feeling clean and refreshed.
   这种亚硫酸盐肥皂对皮肤温和，使用后感觉干净清爽。