底漆

tú shang dǐ qī

涂上底漆

apply an undercoat

gěi jiā jù tú dǐ qī

给家具涂底漆

apply an undercoat on a piece of furniture

chuāng hu tú le dǐ qī hé liǎng céng guāng zé qī

窗户涂了底漆和两层光泽漆。

The windows were painted with undercoat and two coats of gloss.