n.[计]分层，层次；等级制度；统治集团；天使的级别或等级 变形： 复数：hierarchies 双语释义：n.(名词)[C][U]等级制度 system with grades or authority or status from the lowest to the highest[C]统治集团,领导层 the group of people in an organization who have power or control英英释义： hierarchy[ 'haiə,rɑ:ki ]n.a se