墙: 名词(砖、石等筑成的屏障或外围) wall 短语和例子城墙 town [city] wall; 爬墙 climb a wall; 围墙 enclosing [surrounding] wall; 砖墙 brick wall; 把画挂到墙上。 hang the picture on the wall. 隔墙有耳。 walls have ears
封: Ⅰ动词1.(封闭) close; seal 短语和例子查封 seal up; 密封 seal up completely; 大雪封山。 the mountains are covered over [closed up] with heavy snow.2.(封火) bank (a fire) 短语和例子炉子封了吗? have you banked up the fire?
