Beneath the soil lies a layer of bedrock.
土壤下面有一层基岩。
When the Nile is in flood, it deposits a layer of mud on the fields.
尼罗河泛滥时，在田野上沉积下一层泥。
The archaeologists had to remove a layer or reeds and ropes that covered the burial.
考古学家已经去除了一层覆盖于木乃伊上的芦苇和绳索。
The resulting smaller bubbles also yield a layer of foam whose texture is rich and creamy.
由此产生的较小的气泡也会让产出一层质地浓郁、像奶油一般的泡沫。
As the tree grows, it adds a layer to its trunk taking up chemical elements from the air.
随着树木的生长，它在树干上增加了一层吸收空气中的化学元素而生成的膜。
You see, adult female birds during egg production produce a layer of spongy bone tissue inside certain long bones.
你看，成年雌鸟在产蛋的过程中会在某些长骨内产生一层海绵状的骨组织。
During the seventeenth and eighteenth centuries, the entire site became covered with a layer of hard grey clay, which minimised further erosion.
在十七世纪和十八世纪，整个遗址被一层坚硬的灰色粘土覆盖，这极大减少了进一步的侵蚀。
Wherever these particles settled, they formed a pan, a layer that water couldn't penetrate.
不管这些粒子沉降在哪里，它们会形成一个平面板块，一层水无法渗透的平面。
It sews leaves together in the shape of a cup, then it adds a layer of straw to the inside of the cup and lays its eggs there.
它把叶子缝合成杯状，然后在杯子里面铺上一层稻草，在那里产卵。
Just below the chromatophores is a layer of cells that reflect light from the environment, and these cells help the octopus create a precise match with the colors that surround them.
色素团下面是一层细胞，它可以反射周围环境的光，这些细胞可以帮助章鱼精确地匹配周围的颜色。
Geologists think that this fluidized ejecta crater indicates that a layer of permafrost, or water ice, lies just a few meters under the surface.
地质学家认为，这个具有流体化喷出物的陨石坑表明，在地表下几米深处有一层永久冻土层或水冰。
Leatherbacks do not have blubber, but they do have a reptilian equivalent: thick, oil-saturated skin, with a layer of fibrous, fatty tissue just beneath it.
棱皮龟没有鲸脂，但它们有和爬行类动物相似的结构：厚且含油的皮肤，下面有一层纤维，再下面是脂肪组织。
Five tons of soil would fill a small dump truck; if spread over an acre, it would make a layer slightly less than the thickness of a dime.
五吨的土会装满一辆小型自卸式卡车；若铺开在一英亩的土地上，它会形成不足一角硬币厚度的土层。
After the wind, there was a layer of dust on the desk.
大风过后，桌上落了一层灰。
This seam of coal reposes on a layer of clay.
这个煤层处于一层黏土岩之上。
A layer of cold air remains near the ground as smoke and fumes pour into it.
当烟尘和微粒拜谢到空气中以后，有一层冷空气仍然在贴近地面。
Mutual capacitance: A layer of driving lines carries current.
互电容 ：一层含有电流的驱动线路。
Everyone has a layer of bacteria on their teeth called plaque.
每个人的牙齿中都有一层叫做噬菌斑的细菌。
The middle box toggles between locking and unlocking a layer.
中间框会在锁定和解锁一个层之间进行切换。
Doing so provides a layer of abstraction around the cached file.
这样可为缓存后的文件提供一个抽象层。
There are many ways to copy a layer or a group of layers from one PSD file to another.
有许多方法可以用来把一个图层或一组图层从一个PSD文件复制到另一个文件。
The bacteria spin cellulose threads, which bind on the surface forming a layer.
旋转的细菌，在表面形成一层受约束的纤维素线。
Intents add a layer of indirection that enables sophisticated component reuse and substitution.
目的添加了一个间接层来支持复杂组件的重用和替换。
In fact, it almost surely raises them by adding a layer of middlemen.
事实上，由于增加了一中介层，几乎可以肯定地说，医保费用会升高。
The inclusion of such a layer involves an additional up front development cost.
包含这样一个层涉及了额外的早期开发成本。
That was followed by a layer of plastic insulator, and another layer of gold.
然后在其上覆盖一层塑料绝缘膜，以及另一层黄金薄膜。
He touched his image, wiping away a layer of dust.
他触摸着它，抹去了上面的一层尘土。
Behind the front end is a layer of middleware that I call the storage logic.
在前端后面是一个中间件层，我将它称作存储逻辑。
Lay a layer of clay on the displayed layout before the relay race.
接力赛之前在展示的陈设上铺一层黏土。
Most data files consist of a single dataset, referred to as a layer.
大多数数据文件都包含一个单独的数据集，通常称为层。
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