hierarchy [ˈhaɪərɑ:ki]
 
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基本释义
n.等级制度;统治集团,领导层
英英释义
a system in which people or things are arranged according to their importance
参考例句
There is a rigid hierarchy of power in that country. 那个国家有一套严密的权力等级制度。
She's high up in the management hierarchy. 她在管理阶层中地位很高。
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