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underlay 1 AHD[ŭn'dər-lāʹ] D.J.[ˌʌndəˈleɪ]K.K.[ˌʌndɚˈle]v.tr.（及物动词）un.der.laid[-lādʹ] un.der.lay.ing, un.der.lays - To put (one thing) under another.铺（某物）于…之下
- To provide with a base or support.垫起：提供基础或支持
- Printing To raise or support (the level of a bed) by inserting a piece of paper or other material under the type.【印刷术】 下衬：在铅字下面塞进一张纸或其它东西以抬高或支撑（印盘的高度）
n.（名词）AHD[ŭnʹdər-lā'] - Something, such as felt under a carpet, that is underlaid. Also called underlayment 铺在地毯下的东西 也作 underlayment
- Printing Paper or other material used to underlay.【印刷术】 衬垫：用于下衬的纸或其它物质
underlay 2AHD[ŭn'dər-lāʹ] D.J.[ˌʌndəˈleɪ]K.K.[ˌʌndɚˈle]v.（动词）- Past tense of underlie underlie的过去式
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