stratum怎么读：英 [ˈstrɑ:təm] 美 [ˈstreɪtəm]
stratum是什么意思：n.岩层；地层；社会阶层；
stratum的复数：strata或stratums
stratum的例句和用法
双语例句
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任务。
Tramps are from the lowest stratum of society.
流浪汉来自社会最下层。
Mossy fibres terminate in the stratum lucidum of area CA3.
苔藓纤维终止于 CA3 区透明层。
权威例句
Does a bank offer a full range of services to all comers, or focus on a narrow stratum of services and customers?
They belong to a demographic stratum dubbed the "386" generation - in their 30s, went to university in the '80s, born in the '60s.
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