吃透英语课本，提升在校竞争力
n. 层；层次
现在分词：layering
第三人称单数：layers
过去式：layered
过去分词：layered
复数：layers
'Why not put a layer between the holder and solar cells to separate them?
“为什么不在底座和太阳能电池之间加一层薄膜，把它们分开？
Damage to the ozone layer
臭氧层的损害
the layers of meaning in the poem
这首诗不同层次的含义
He pulled off layer upon layer of clothing .
他把衣服一件件地脱掉。
the multi-layered nature of organizations
机构的多层次性
A thin layer of dust covered everything.
所有的物品上都积了薄薄的一层灰尘。
oil layer
油层；含油地层；含油层；油膜
double layer
双层
bottom layer
底层
layer structure
[化]层型结构
boundary layer
边界层
surface layer
表层
ozone layer
【气】臭氧层
network layer
[计]网路层，网路阶层
protective layer
保护层
soil layer
土层；土壤层次
thin layer
薄层；薄膜层
physical layer
物理层
layer thickness
层厚度
single layer
单层
application layer
[计]应用层
outer layer
外层
upper layer
上层
inner layer
内层
thin layer chromatography
薄层色谱；薄层色谱法；薄层层析法
top layer
顶层；上层
n.层，阶层；地层
thickness
degree
stratum
tier
1 ...The third report lays emphasis on the top layer design...
2014.6 CET6 文本题
2 ...for other students who don’t have such a luxury it’s an added layer of cost — and an expensive one at that...
2013.6 CET4 阅读理解
3 ...adding another layer of difficulty...
2015.12 CET6 阅读理解
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