元素: 1.(要素) element; elementary substance2.[数学] [化学] element 短语和例子水是含有氢元素和氧元素的化合物。 water is a compound containing the elements hydrogen and oxygen.; 元素表 list of elements; 元素分析 [分析化学] ultimate a
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