rough coat
rough coat — 名詞
1. the very first layer of paint, plaster, or a similar covering material that is s
粗塗層
塗在表面的第一層塗料或灰泥
the very first layer of paint, plaster, or a similar covering material that is spread onto a surface such as a wall or ceiling, forming the base for any layers that come after it
Eve applied a rough coat of white paint to the living room walls before adding the final colour.
Eve 在客廳牆上塗了一層白色粗塗層，然後才上最後的顏色。
rough coat + of + [material]
Henry checked the rough coat for cracks before his team began finishing the plaster.
Henry 檢查了粗塗層有沒有裂縫，然後他的團隊才開始做最後的抹灰。
Aarav said the rough coat needs at least six hours to dry before the next layer goes on.
Aarav 說粗塗層至少要乾六小時，才能上下一層。
Folake watched the plasterer spread a rough coat of grey render across the outside wall.
Folake 看著抹灰師傅在外牆上均勻地抹上一層灰色的粗塗層。
- base coat
more general term, used for paint as well as plaster
- first coat
more literal and beginner-friendly synonym
- scratch coat
specifically the first coat of plaster that is scratched to help the next coat stick
- finish coat
the final smooth layer applied after the rough coat
- top coat
the last layer of paint or varnish
文法句型
rough coat + of + material
用法筆記
This term is used mainly in building and decorating. The rough coat is not meant to look neat — it is a base for the final smooth layer.
rough coat — 動詞
- rough coatpresent simple I / you / we / they
- roughs coat3rd person singular
- roughing coat-ing form
- roughed coatpast simple
1. to put the first layer of plaster onto a wall or onto the wooden strips (laths)
打底；上粗塗
在牆面或板條上塗第一層灰泥
to put the first layer of plaster onto a wall or onto the wooden strips (laths) that support it, as the starting step of plastering that surface
The workers rough-coated the new classroom walls before the plaster dried out.
工人們在新教室的牆壁上打了底，然後才讓灰泥乾燥。
transitive: rough-coat + wall/surface
Asher learned how to rough-coat a lath wall during his first week on the building site.
Asher 在工地第一週學會了如何在板條牆上打底抹灰。
Yuki rough-coated the bathroom ceiling after removing the old tiles.
Yuki 拆掉舊磁磚後，在浴室天花板上打了底。
The contractor asked Rania to rough-coat the extension before the weekend.
包商請 Rania 在週末前為擴建的部分打底。
The old pantry walls were rough-coated years ago and still need a finish layer.
舊儲藏室的牆壁多年前已經打過底，但還需要上一層面層。
- apply a rough coat to
a longer, more explicit phrase, useful for learners
- base-coat
more general, not limited to plaster
文法句型
rough-coat + [surface]
be rough-coated
用法筆記
Frequently used in the passive voice (e.g. 'the wall was rough-coated'). The hyphenated form 'rough-coat' is common in manuals and instructions.