“在表面”造句

在表面涂上薄薄的一层胶水.
Apply a thin coating of glue to the surface.

他们发现了如何在表面薄薄的一层上形成影像。
They discovered how to form the image in a thin layer on the surface.

在表面上发生吸附作用的固体叫吸附剂.
The solid on whose surface adsorption occurs is called the adsorbent.