居: Ⅰ动词1.(住) reside; dwell; live 短语和例子分居 (of members of a family) live apart; 侨居国外 reside abroad; 穴居 live in caves2.(处于; 在) be (in a certain position); occupy (a place) 短语和例子居世界首位 occupy first
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