underlay
vt.铺在...下面,垫起 vi.向下延伸 n.衬垫物
难易程度:
underlay为短语/超纲词汇
underlay
/'ʌndəleɪ; `ʌndɚ,le/
n [U, C] layer of felt, foam, rubber, etc laid (esp under a carpet) for support and insulation （毛毡、泡沫塑料、橡胶等做的）衬垫; （尤指）地毯垫. Cf 参看 underfelt.
n [U, C] layer of felt, foam, rubber, etc laid (esp under a carpet) for support and insulation （毛毡、泡沫塑料、橡胶等做的）衬垫; （尤指）地毯垫. Cf 参看 underfelt.
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