undercoat
US /ˈʌn.dɚ.koʊt/
UK /ˈʌn.dɚ.koʊt/
名詞
1.
底毛
a first layer of paint that is put on a surface in order to improve the appearance of the final one, or the paint used for this:
範例:
•
Those red walls will probably need two undercoats.
在 Lingoland 學習這個單詞