surface-activator

例句：

1. 1. The surfactant is used to remove oil from water.
   该表面活性剂用于从水中去除油。
2. 2. The surface-activator helps to improve the wettability of the material.
   表面活化剂有助于提高材料的亲水性。
3. 3. The surfactant was used as a surface-activator in the manufacturing process.
   在生产过程中，该表面活化剂被用作表面活性剂。