undercoat
/ˈʌndəkəʊt/ (bre, ipa) · [ˈʌndɚkˌot] /ˈʌndərkəʊt/ (ame, ipa) · [ˈʌndɚkˌot] /ˈən-dər-ˌkōt How to pronounce undercoat (audio)/ (ame, mw)
undercoat — 名詞
- undercoatsingular
- undercoatsplural
1. paint put on before the finishing colour, so the surface seals properly and the
底漆
正式上漆前的底層漆
paint put on before the finishing colour, so the surface seals properly and the outer coat goes on more evenly.
Christopher brushed on an undercoat before painting the nursery bright yellow.
Christopher 先刷上一層底漆，才把育嬰房漆成亮黃色。
brush on an undercoat before top paint
Yael let the undercoat dry overnight before adding the final blue coat.
Yael 先讓底漆過夜乾透，再刷上最後那層藍漆。
let the undercoat dry before final coat
The old window looked smoother after Tariq sanded the undercoat lightly.
Tariq 輕輕磨過底漆後，那扇舊窗看起來更平整了。
At the workshop, Sora chose a stain-blocking undercoat for the kitchen walls.
在工坊裡，Sora 為廚房牆面選了一種可擋污漬的底漆。
- topcoat
the final visible coat put on after the base layer
文法句型
apply/brush on + an undercoat
let + the undercoat + dry
sand + the undercoat + lightly
用法筆記
Usually refers to the preparatory paint layer used before the visible top coat. It often appears with verbs like apply, dry, and sand.
2. the fine, soft hair under an animal's rougher outer fur, especially the layer th
底毛
藏在外層毛下的柔軟短毛
the fine, soft hair under an animal's rougher outer fur, especially the layer that helps keep the animal warm.
In winter, Niran's sheepdog grows a thick undercoat beneath its longer fur.
到了冬天，Niran 的牧羊犬會在較長的外層毛下長出厚厚的底毛。
grow a thick undercoat in winter
When spring arrived, Mauricio brushed loose undercoat from the rabbit every evening.
春天一到，Mauricio 每天晚上都替兔子梳掉鬆脫的底毛。
brush loose undercoat from an animal
The vet said Greta's cat had no undercoat on the scarred patch.
獸醫說，Greta 的貓在那塊結疤的地方已經沒有底毛了。
After the hike, Imani found burrs caught deep in the horse's undercoat.
健行後，Imani 發現馬的底毛深處卡了不少鬼針草。
- inner coat
neutral descriptive term for the layer below the outer fur
- downy fur
stresses the soft, fluffy quality of the hair
- guard hair
the longer, coarser hair that lies above the soft layer
- outer coat
the visible top fur rather than the inner insulating layer
文法句型
a thick/dense + undercoat
brush + undercoat + from + animal
grow/shed + an undercoat
用法筆記
Often used when talking about grooming or seasonal shedding in thick-coated animals. It names the soft layer below the guard hairs, not the longer outer coat.
3. a rust-resistant covering sprayed onto the bottom of a vehicle to protect it fro
底盤膠
車底防鏽用的保護塗層
a rust-resistant covering sprayed onto the bottom of a vehicle to protect it from moisture, salt, and road damage.
The mechanic sprayed fresh undercoat beneath Faisal's van before the rainy season.
雨季來臨前，修車師傅先在 Faisal 的廂型車底部噴上新的底盤膠。
spray fresh undercoat beneath a vehicle
Road salt had cracked the undercoat on Piotr's truck near the rear wheel.
路鹽把 Piotr 卡車後輪附近的底盤膠弄裂了。
crack the undercoat on a truck
Before selling the jeep, Nellie paid to replace the peeling undercoat.
賣掉那輛吉普車前，Nellie 花錢把剝落的底盤膠重新換掉。
At the garage, Elise checked whether the undercoat still covered the floor pan.
在車廠裡，Elise 檢查底盤膠是否還完整蓋住底板。
- underbody sealant
more technical term in car maintenance contexts
- rustproof coating
stresses the protective purpose more than the position
- bare metal
vehicle underside left without a protective layer
文法句型
spray/apply + undercoat + to + vehicle underside
replace + damaged/peeling + undercoat
crack + the undercoat + on + vehicle
用法筆記
Mostly used in vehicle repair or maintenance contexts. It refers to the protective layer on the underside of a car, van, or truck, not to ordinary house paint.