base coat
US /ˈbeɪs ˌkoʊt/
UK /ˈbeɪs ˌkəʊt/
名词
底漆, 底油
a layer of paint or polish applied before the main coat to improve adhesion or provide a uniform surface
示例:
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Always apply a base coat before painting your nails to protect them and make the polish last longer.
涂指甲油前务必先涂一层底油，以保护指甲并使指甲油更持久。
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The artist applied a thin base coat to the canvas before starting the main painting.
艺术家在开始主画之前，在画布上涂了一层薄薄的底漆。