hierarchy 英式发音['haɪərɑːkɪ]美式发音['haɪərɑrki]
hierarchy相关例句和用法
a rigid social hierarchy.严格的社会等级制度
hierarchy英英释义
层级；等级制度英释nna system of organization in which people or things are divided into levels of importance
hierarchy短语
social hierarchy,社会等级；社会阶层.短语
