Question

stratum n.岩层;地层;社会阶层; pl:strata~

Accepted Answer

英[ˈstrɑ:təm]  美[ˈstreɪtəm] 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：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。例：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：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。

单词	stratum
音标	英[ˈstrɑ:təm] 美[ˈstreɪtəm]
解释	n.岩层;地层;社会阶层;
例句	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：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。例：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：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。
变形	pl:strata~

Stratum N Count 英[ˈstrɑ:Təm 美[ˈstreɪtəm N.岩层;地层;社会阶层 社会阶层 Society Group

Stratum N Count 英[ˈstrɑ:Təm 美[ˈstreɪtəm N.岩层;地层;社会阶层社会阶层 Society Group