音标：['leiә] ；柯林斯词典等级：3 级；牛津三千核心词汇；

n. 层, 产卵鸡, 放置者
vt. 分层堆积, 压植
[计] 层

n. single thickness of usually some homogeneous substance
n. a relatively thin sheetlike expanse or region lying over or under another
n. a hen that lays eggs
n. thin structure composed of a single thickness of cells

词型变化：名词复数形式 : layers ; 过去分词 : layered ; 现在分词 : layering ; 过去式 : layered ; 第三人称单数 : layers
考试类型：[四级/六级/考研/托福/IELTS]

词性分布：

名词94%

动词6%

layer的用法和样例：

例句

用作名词(n.)

This layer of rock contains a lot of flint.这一岩层中有大量燧石。
There is a fine layer of dust on the desk.桌子上有一层薄薄的尘土。
There are several layers of meaning.有几层不同的含意。
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。

用作不及物动词(vi.)

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

用作及物动词(vt.)

Layer the potatoes and onions in a dish.把土豆和洋葱分层放在盘子里。
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。

常见句型

用作名词(n.)

These seeds must be covered with a layer of earth.这些种子必须盖上一层泥土。
The cake has three layers.这个蛋糕有三层。
He tried to penetrate the layers of bureaucracy.他设法打通了层层官僚关节。

词汇搭配

用作名词 (n.)

形容词+～

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

介词+～

in layers按层
dress in layer一层一层地包起来

～+介词

a layer of clay一层粘土

经典引文

Layers of plots and traps.
出自：N. Fairfax
The Lord Himself is the layer of this corner stone.
出自：R. Leighton

【近义词】

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