Use sandpaper to asperate the surface before painting.

使用砂纸使粗糙表面，然后再进行涂漆。

Before applying the adhesive, asperate the surface for better grip.

在涂抹粘合剂之前，先使粗糙表面以获得更好的粘附效果。

The artist used a special tool to asperate the clay for texture.

艺术家使用特殊工具使粗糙粘土以增加质感。

You need to asperate the metal to ensure the paint adheres properly.

你需要使粗糙金属，以确保油漆能正确附着。

The craftsman decided to asperate the wood to give it a rustic look.

工匠决定使粗糙木材，以赋予其乡村风格。