layer

复数：layers过去式：layered过去分词：layered现在分词：layering第三人称单数：layers

1. [C]层,层次 thickness of material on a surface

• bottom〔inner〕 layer底〔内〕层
• thick〔thin〕 layer厚厚〔薄薄〕的一层
• top layer顶层
• even〔uneven〕 layer〔不均匀〕均匀的一层

• in layers按层
• dress in layer一层一层地包起来

• a layer of clay一层粘土

boundary layer边界层

thin layer薄层；薄膜层

surface layer表层

double layer双层

soil layer土层；土壤层次

single layer单层

application layer[计]应用层

layer thickness层厚度

oil layer油层；含油地层；含油层；油膜

ozone layer【气】臭氧层

outer layer外层

layer structure[化]层型结构

thin layer chromatography薄层色谱；薄层色谱法；薄层层析法

top layer顶层；上层

network layer[计]网路层，网路阶层

physical layer物理层

protective layer保护层

upper layer上层

bottom layer底层

inner layer内层

1. This layer of rock contains a lot of flint.
   这一岩层中有大量燧石。
2. There is a fine layer of dust on the desk.
   桌子上有一层薄薄的尘土。
3. There are several layers of meaning.
   有几层不同的含意。
4. The pollution had destroyed ozone layer and caused many changes in weather.
   污染破坏了臭氧层，并引起了许多天气变化。

1. Mists layered thick about him.
   层层雾霭笼罩着他。

1. Layer the potatoes and onions in a dish.
   把土豆和洋葱分层放在盘子里。
2. We layer the crops to make them grow better.
   我们对农作物进行压条处理，以利于他们生长。