layer

• 指覆盖在表面或位于其他材料之间的薄片、层或一层物质；也表示层次、级别或地层。

A noun referring to a sheet, thickness, or stratum of material that covers a surface or lies between other materials.

1. Sheet or thicknessA2formal

   A single thickness of a material covering a surface or forming an overlying part.

   层

   • The cake has a layer of chocolate frosting on top.
   • A thin layer of dust covered the furniture.
   • The Earth's crust is the outermost layer of the planet.

   同义词coatcoatingcoveringfilmplysheetskinstratumveneer

2. Level or stratumB1formal

   A level or rank within a system or hierarchy.

   层级

   • The company has multiple layers of management.
   • The software is built on several layers of code.
   • There is a layer of bureaucracy that slows down the process.

   同义词echelongradelevelrankstratumtier

3. A2informal

   An item of clothing worn over or under another.

   层

   • She wore several layers to stay warm in the winter.
   • You should add another layer if you're going outside.
   • The hiker removed a layer of clothing after the climb.

• 动词，指把某物一层一层地放置或覆盖，形成层状结构；也可指将事物分层处理或按层次排列。

A verb used to indicate the act of arranging or covering something in layers or strata.

1. Arrange in layersB1formal

   To arrange or place something in layers, one on top of another.

   分层排列

   • She layered the cake with cream and strawberries.
   • The chef layered the lasagna with pasta, sauce, and cheese.
   • They layered the soil with compost for better growth.

   同义词accumulateheappilesandwichstackstratify

   反义词scatterspread

2. Combine or stackB2informal

   To combine different elements or materials by placing them in overlapping or stacked positions.

   层叠

   • He layered his clothing to stay warm in the cold weather.
   • The artist layered different colors to create depth in the painting.
   • She layered the blankets on the bed for extra comfort.

   同义词overlappilestackstratifysuperpose

   反义词disjoindivideseparate