Beneath the soil lies a layer of bedrock.
土壤下面有一层基岩。
This seam of coal reposes on a layer of clay.
这个煤层处于一层黏土岩之上。
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。
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。
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。
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。
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。
After the wind, there was a layer of dust on the desk.
大风过后，桌上落了一层灰。
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。
Put a layer of the stuffing on top.
放一层馅料在上面。
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。
Applications still want a layer of abstractions.
应用程序仍需要抽象层。
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。
Instead, it is a layer of fibres all pointing in the same direction.
相反，是一层同向的纤维。
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。
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。
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。
Smaolach had dug a hole deep enough to reach a layer of dry needles and cones.
斯茂拉赫已经掘了个洞，深度足以到达下层的针叶和球果。
Drill past 3, 000 metres of rock and you will hit a layer of salt 2, 140m thick.
钻探头穿过3000米厚的岩层将会触碰到2140米厚的盐层。
They were coated with shaggy hair up to 3ft long and a layer of wool next to their skin.
它们的身体覆盖着长达3英尺的粗密毛发，以及一层紧贴皮肤的绒毛。
In short, a more expressive language can allow you to move up a layer of interoperability.
总之，采用更有表现力的语言能提升我们协同工作的层次。
The iPod touch does this using a layer of capacitive material under a protective covering.
iPod touch依靠位于保护膜之下的一层电容材料来达成上述功能。
Loan documents were exchanged on a separate electronic network, adding a layer of complexity.
而沟通贷款文件需要在另外一个网络平台进行，这又增加了一层复杂性。
Phase two, preparation, adds a layer of speed by introducing tempo runs and long repeats.
第二个阶段，会增加一部分速度训练，包括乳酸门槛跑和长距离的反复跑。
The notion that the moon has an iron core with a layer of molten iron surrounding it isn't new.
月球里有着周围带有融化铁层的铁芯的这个概念并不是新的。
The self cleaning technology uses a layer of an electrically sensitive material to coat each panel.
自我清洁技术在各面板上涂覆一层电敏感材料。
Agents provide a layer of indirection between the holder of a variable and the mutable state itself.
Agents在变量持有者与可变状态本身之间提供一层间接关系。
When sunlight or moonlight passes through a layer of thin clouds, the result can be iridescence.
阳光或月光穿过薄薄的云层就会形成虹彩。
Word-of-mouth adds a layer of credibility and is more effective than other more formal forms of promotion.
口碑能更好地树立酒店的信誉，同时也比其他更加正式的推广活动更具优势。
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