priming color

例句：

1. 1.The painter used a special primingcolor to prepare the surface for painting.
   画家使用一种特殊的上色剂来准备表面进行绘画。
2. 2. The engineer applied a priming color to the metal before it waspainted.
   工程师在金属被涂漆之前，应用了上色剂。
3. 3. The artistdecided to use a different primingcolor to achieve a more vibrant finish.
   艺术家决定使用不同的上色剂来实现更鲜艳的最终效果。