colloidal powder

例句：

1. 1. This colloidal powder is used to make cosmetics.
   这种胶体粉末用于制作化妆品。
2. 2. Colloidal powder is a type of material that has a high surface area to volume ratio.
   胶体粉末是一种具有高表面积与体积比的材料。
3. 3. Colloidal powders are often used in food and beverage industry as thickeners.
   胶体粉末常用于食品和饮料行业作为增稠剂。