underlay

/ˈʌndəleɪ/ (bre, ipa) · /ˈʌndərleɪ/ (ame, ipa) · /ˌən-dər-ˈlā How to pronounce underlay (audio)/ (ame, mw)

underlay — 名詞

1. a thick soft sheet, typically made of foam or felt, fitted beneath a carpet so t

1.名詞B2
釋義

地毯底墊

鋪在地毯下的軟墊層

a thick soft sheet, typically made of foam or felt, fitted beneath a carpet so that walking feels softer and the carpet lasts longer, while also helping to block noise or cold from the room below

例句

Quan rolled out the foam underlay before laying the new living-room carpet.

Quan 在鋪設新客廳地毯前,先鋪好了泡棉地毯底墊。

collocation: foam underlay / carpet underlay

Soraya chose a thick rubber underlay for the nursery to keep the floor warm.

Soraya 為了讓嬰兒房地板保暖,選用了厚厚的橡膠地毯底墊。

同義詞
  • padding

    more general term for any soft layer used for comfort or protection; not limited to carpets

  • carpet cushion

    American English alternative for the same product

文法句型

usually singular

用法筆記

In American English, this is often called 'carpet padding' or 'carpet cushion'. In British English, 'underlay' is the standard term. The word is most often used as an uncountable noun (pieces of underlay), but a countable form exists (a thick rubber underlay).

常見錯誤

The shop sells carpet underlayment for softness.
The shop sells carpet underlay for softness.
💡'Underlayment' (US) refers to the subfloor structure, not the soft layer directly under a carpet.

2. a surface lying directly below a top coat or covering, visible because the upper

2.名詞C1
釋義

下層

可透過表層看見的底層

a surface lying directly below a top coat or covering, visible because the upper layer is see-through, rubbed away, or partly taken off — for example, a previous shade of paint or a past wallpaper pattern showing through

例句

Anthony saw a red underlay through the scratched paint on the old metal door.

Anthony 透過舊鐵門刮花的油漆看到了一層紅色的底層。

Nora peeled back the top wallpaper and found a floral underlay from the 1970s.

Nora 把最上層的壁紙剝開,發現底下是 1970 年代的印花底層。

同義詞
  • foundation layer

    more general; can refer to structure rather than decoration

  • base coat

    specifically for paint layers, the first coat applied to a surface

文法句型

usually singular

用法筆記

This sense is primarily used in restoration, design, and archaeology contexts. The underlay is usually a previous decorative layer that has been covered but later becomes visible again due to wear or removal of the top layer.

常見錯誤

The house has a concrete underlay beneath the wooden floor.
The house has a concrete subfloor beneath the wooden floor.
💡'Underlay' in this sense refers to visible decorative layers, not structural support layers.

underlay — 動詞