hierarchy
US /ˈhaɪ.rɑːr.ki/
UK /ˈhaɪ.rɑːr.ki/

名词
1.
层级, 等级制度
a system or organization in which people or groups are ranked one above the other according to status or authority
示例:
•
The company has a strict management hierarchy.
公司有严格的管理层级。
•
He is at the top of the social hierarchy.
他处于社会等级制度的顶端。
在 Lingoland 学习这个单词