layer
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。
Her husband is a brick layer.
她丈夫是个砌砖匠。
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。
As a result, nacre thickness is sometimes just a cosmetic layer that can wear thin over time.
所以真珠质的厚度就像脸上化妆品，不久就会磨薄了。
The inner layer of the wall of a spore.
孢子内壁孢子壁的内层
The middle, usually fleshy layer of a fruit wall.
中果皮果皮中间通常含肉较多的那一层
A layer, as of doubled-over cloth or of paperboard.
一层一层，如折叠过的布料或纸板的
A surface, layer, or mass of frozen water.
冰面冻结的水的面、层或块
A thin layer of bone, membrane, or other tissue.
骨骼、粘膜或其它组织的薄层
Having a cortex or a similar specialized outer layer.
有皮的有皮的或具有相似的专门发育的外部覆盖的
A thin, flat layer or scale, as that of a fish.
外表组织薄而平的一层或鳞状物，如鱼鳞
A thin plate, sheet, or layer.
薄板、薄片或薄层
A thin layer of polished metal placed under a displayed gem to lend it brilliance.
衬箔在展出的宝石下放置的用以衬出其光泽的薄层剖光金属
A specific layer of soil or subsoil in a vertical cross section of land.
地层，岩层处于土地的垂直横截面中的某一具体土层或次土层
A layer of mortar upon which stones or bricks are laid.
灰浆层一层铺放石头或砖的砂浆层
A protective or insulating layer fixed to the outside of a building or another structure.
覆面固定到一座建筑物或其它结构上的保护层或绝缘层
A localized thickening and enlargement of the horny layer of the skin.
鸡眼,老茧皮肤角质层的局部增厚和增大。
A layer of decoration, such as gold leaf or wood veneer, applied to a surface.
饰面一层修饰，如金箔或木镶板，铺于表层上
An artificial substitute for such a grassy layer, as on a playing field.
人工草皮人工种植的这种草皮的替代品，如在运动场地上
An outer layer or coating applied to a surface for protection or decoration.
饰面，保护面装在外面的外层或薄层，为了保护或装饰
The pearly internal layer of certain mollusk shells, used to make decorative objects.
珠母层某些软体动物壳内似珍珠的层，用来做装饰物
An underground bed or layer of earth, gravel, or porous stone that yields water.
地下蓄水层，砂石含水层含有水的泥、砂砾或多孔石的地下河床或地层
The innermost layer of the cortex that forms a sheath around the vascular tissue of roots and some stems.
内皮层皮层的最内层，在根、茎的导管组织周围形成一道叶鞘(茎衣)
The outer layer of an internal organ or body structure, as of the kidney or adrenal gland.
皮层内部器官或身体结构的外层，如肾或肾上腺皮层
The bottom layer is a mixture of sand and clay.
最下面的一层是沙和泥的混合物。
A fine layer of dust covers everything.
所有的东西都盖了一层薄薄的灰尘。
A coat or layer enveloping an organ or a part.
被膜一种覆盖器官或身体部位的覆盖层或包被
A layer of skin peeled off her sun-burnt back.
她晒黑的背上掉了一层皮。
The layer spindle was an early development.
层式纺锤形是早期发展起来的。
The altitude of the lowest layer of clouds.
云幕高度最低层云的海拔高度
This cake has a layer of chocolate in the middle.
这蛋糕中间有一层巧克力。
The grind is covered in a pristine layer of snow.
地上覆盖著一层皑皑积雪。
This seam of coal reposes on a layer of clay.
这个煤层处于一层黏土岩之上。
The ground was covered in a pristine layer of snow.
地上覆盖着一层皑皑积雪.
The flood deposited a layer of mud in the street .
洪水过后，街道上积了一层泥。
The inside was lined with another layer of felt.
里面还铺了一层毡子。
A film or layer of a compound one molecule thick.
单分子层一分子厚度化合物的膜或层
Coat the table - top with a thin layer of varnish .
把桌面涂上薄薄一层亮漆。
Cage layer fatigue is a type of osteoporosis.
笼养蛋鸡疲劳症是骨质疏松症的一种类型。
The atmosphere is a continuous layer of gases.
大气圈是连续的气体层。
The excess epoxy forms the "compatibility layer".
过剩的环氧形成“相容层”。
This cake has a layer of fruit in the middle.
这蛋糕中间有一层水果。
Gravelly-sand over an iron-pan and gravel layer.
沙砾覆于铁质土层与砂砾层之上。
He uncovered layer on layer of hidden weariness.
他隐藏着的厌烦一层一层地暴露出来了。
In layer window unlink the mask and map.
在层面板下取消蒙版和地图的链接。
The drag is a force per unit area of the layer.
拖力是流层单位面积的力。
Replace the Layer 2 switch with a transceiver.
以一个无线电收发机代替层2开关。
Set opacity of the blurred layer to 70%.
设置模糊后的图层透明度为70%，观察效果。
The outermost layer of the dura mater.
硬脑脊膜的最外层