公: Ⅰ形容词1.(属于国家或集体的) state-owned; collective; public 短语和例子公物 public possessions; 公关 public relations2.(共同的;大家承认的) common; general 短语和例子公分母 common denominator; 公约 convention; pact3.(属于国际间的) int
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