体系: system; setup; hierarchy (system) 短语和例子思想体系 ideological system; 哲学体系 a system of philosophy; 经济体系 economic setup
镇: Ⅰ名词1.(镇守的地方) garrison post 短语和例子军事重镇 strategic post2.(行政区划单位) town 短语和例子小镇 townlet; 镇民 townsfolk; townsman; 乡镇 villages and towns3.(较大的市集) trading centre 短语和例子集镇 market town4.(姓氏) a surnam
