常: Ⅰ形容词1.(一般; 普通; 平常) ordinary; common; normal 短语和例子反常 unusual; abnormal; 人情之常 natural and normal; 习以为常 be used [accustomed] to sth.2.(不变的; 经常) constant; invariable 短语和例子冬夏常青 remain green thr
建: Ⅰ动词1.(建筑) build; construct; erect 短语和例子建电站 build a power station; 新建的工厂 newly-built factory; 重建家园 rebuild one's homeland; 大楼边上又扩建了一些教室。 extra classrooms were built out from the main block.