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
序: Ⅰ名词1.(次序) order; sequence 短语和例子程序 procedure; 井然有序 in perfect order; 顺序 sequence; 以年代为序 in chronological sequence [order]; 以字母为序 in alphabetical sequence [order]2.(序文) preface 短语和例子原序 the o