activated silica gel

例句：

1. 1. The activatedsilica gel is used to remove impurities from water.
   活化硅胶凝胶用于从水中去除杂质。
2. 2. The activated silica gel is a popular product for removing stains from clothes.
   活化硅胶凝胶是去除衣物上污渍的热门产品。
3. 3.The activated silica gel can be used as a desiccant to prevent moisture in the air.
   活化硅胶凝胶可以用作干燥剂，防止空气中的水分。