underlay
noun[U]
uk/ˈʌn.də.leɪ/us/ˈʌn.dɚ.leɪ/thickmaterialput between acarpetand thefloorforextracomfortand toprotectthecarpet
（起保护作用的）地毯衬垫alayerofmaterialthatliesunder another one,especiallywhen it can beseenthrough thetoplayer:
（尤指可以透过上层材料看到的）下层材料，衬里Thedresswasblacklacewith ablueunderlayshowingthrough.那件裙子是用黑色蕾丝和若隐若现的蓝色衬里做的。
Carpets, rugs & other floor coverings
- bath mat
- carpet
- carpeted
- carpeting
- coconut matting
- doormat
- fitter
- linoleum
- mat
- matting
- parquet
- Persian rug
- pile
- runner
- shag
- throw rug
- wall-to-wall
- welcome mat