底涂：指涂刷在表面上的第一层涂料。
头道漆
打底
底涂
底漆
底涂层
... face of ashlar 琢石块的前面 first coat 底涂层 furniture design 家具设计 ...
... fireproof 耐火的 first coat 底涂 first law of newton 牛顿第一定律 ...
... first coat of paint 底漆 first coat 第一度油漆 first contact 初亏 ...
[涂料]底涂层；头道灰
Don't worry if this first coat of paint looks messy.
如果这第一层油漆看上去有点脏的话，不用担心。
The blue first coat bled into the white.
第一层蓝色渗入了白色涂层。
Directly after the surface pretreatment, the first coat must be applied.
在对表面进行过预处理后，必须立即进行第一层涂层的涂覆。
This was the day I could at last wear my new shoes and my first new coat.
To preserve them for more than a billion years to make fossils out of ephemera a site first has to coat its remains in a fixative: a thin layer of waterproof sediment that will slowly harden into stone.
First out was a plaid coat with a trench-style collar, oversized pockets and small rectangular cutouts.