铅: 铅名词1.(金属元素) lead (pb) 短语和例子废铅 scrap lead; 含银铅 argentiferous lead; 软铅 soft lead; 重得像铅。 it's as heavy as lead.2.(铅笔心) lead (in a pencil); black lead
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