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单词库 \ 英汉词典 \

stratum是什么意思

stratum

英[ˈstrɑːtəm] 美[ˈstreɪtəm]

n. 岩层，地层，社会阶层；

复数：strata;

相关单词 a stratum hypostratum ionized stratum rock stratum stratum of ores substratum superstratum

同义词

stratum的同义词之：
layer bed vein

柯林斯高阶英汉双解学习词典释义

N-COUNT

社会阶层

A stratum of society is a group of people in it who are similar in their education, income, or social status.
例句
It was an enormous task that affected every stratum of society... 这是一项影响到社会各阶层的重大工作。 The rebels came overwhelmingly from the poorest strata of rural society. 叛乱分子绝大多数来自农村的最贫困阶层。
N-COUNT

岩层

Strata are different layers of rock.
例句
Contained within the rock strata is evidence that the region was intensely dry 15,000 years ago. 岩层中有证据表明，该地区在 15,000 年前曾经非常干旱。

英汉词典释义

n.
岩层
a stratum of rock 岩层 An aquifer is a water-bearing rock stratum such as sandstone and chalk. 地下蓄水层是一些有水的岩石层, 如沙岩和白垩岩。
地层
社会阶层
Such inequalities are found in every stratum. 这类不公平的现象存在于社会的每一个阶层。

英英词典释义

Noun
1. one of several parallel layers of material arranged one on top of another (such as a layer of tissue or cells in an organism)
2. an abstract place usually conceived as having depth;
"a good actor communicates on several levels""a simile has at least two layers of meaning""the mind functions on many strata simultaneously"

行业词典

公路科技：地层；
医学：〔NA〕〔复strata〕层：厚薄几乎一致的薄片状物，尤指几个相关层次中之一层；
地质学：地层；
数学：层；
植物学：层，又称：层(story )；

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