深层的英文：
deep level

参考例句：

The inmost,choicest,or essential part;the pith.
实质，精华，精髓最深层、最紧要或最必要的部分;精华

In a solid which is moderately low in available zinc, deep cuts may expose zinc-deficient subsoils
土壤中含有效锌转低时，深层耕翻会使缺锌的底土暴露出来。

Depth of hardening
硬化深层

Carburized case depth
浸碳硬化深层

The inner meaning of a poem.
一首诗的深层含义

Within music and dance are the deepest consciousness of national spirits.
乐舞中蕴含着民族精神的深层意识。

It has a rich and deep vein of limestone.
它有着储量丰富的深层石灰石矿脉。

And analyze the deep reason voters are behind vote driving force in detail in every part.
并且在各部分详细分析选民在投票驱动力背后的深层的原因。

The many deep-seated contradictions and problems in the reform and development of SOEs have not been thoroughly resolved
国有企业改革和发展中许多深层的矛盾和问题，

The lack of deep hardening in these alloys negates their use
这些合金缺乏深层硬化能力使它们无法利用。

deep是什么意思：
adj. 深的；深沉的；极度的；深刻的；深奥的
adv. 深深地；迟
n. 深处；海

Sing the deep vocal register of the melody with a deep voice.
请用明亮的嗓音演唱第一段歌曲。

Of a grayish to deep reddish brown to deep grayish brown.
灰色到深红棕色到深灰褐色之间的

He made a deep breath.
他深深地吸了一口气。

These plants have very deep roots.
这些植物的根长得很深。

Affect suddenly with deep feeling.
因深深的感情突然打动。

level是什么意思：
n. 水平线，水平面；高度；层；水平；级别
adj. 水平的，同高度的；笔直的；平静的
v. 推平；毁坏；使平等；瞄准；变平；坦率诚实地对待

Level off the shelves with a spirit level.
用酒精水平仪把架子弄平。

But there is plenty of scope at that level.
然而在此水平上还是有足够的余地。

The worker levelled their looks at the foreman.
工人们用目光逼视着工头。

They leveled a field yesterday.
他们昨天平整场地了。

They leveled a building with the ground.
他们拆除了一座建筑物。