911查询·英语单词
原级：underlie
underlay的近义词
第三人称单数：underlies
现在分词：underlying
过去分词：underlain
1. 底層：所谓同心圆就是将普通的小区分为两个区域:外层及内层,又称顶层(Overlay)和底层(Underlay). 外层的覆盖范围是传统的蜂窝小区,而内层的覆盖范围主要集中在基站附近. 外层和内层的区别除覆盖范围不同外, 它们频率复用系数也不同的,
2. 垫物,衬层：under frame 底架,底框 | underlay 垫物,衬层 | underlayer 底层
3. 垫起：underside 下面、下側 | underlay 垫起 | underwrite 签在...下、认购
4. 倾斜;下伏层;下伏的：underheated 加热不足的 | underlay 倾斜;下伏层;下伏的 | underlayer 下层
1. 地毯衬垫
Underlay is a layer of thick material that you place between a carpet and the floor to protect the carpet and make it feel warmer and softer.
2.
noun
1. a pad placed under a carpet
Synonym: carpet pad rug pad underlayment
verb
1. provide with a base, support, lining, or backing
e.g. underlay the boards with joists
2. \u0064\u0061\u006E\u0063\u0069\u002E\u0039\u0031\u0031\u0063\u0068\u0061\u002E\u0063\u006F\u006D
2. put (something) under or beneath
e.g. They underlaid the shingles with roofing paper
3. raise or support (the level of printing) by inserting a piece of paper or cardboard under the type
e.g. underlay the plate