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
公共: public; common; communal 短语和例子强化公共治安 increase public security; 他这样的犯法行为极大地危及公共安全。 such offences as his profoundly endanger public security.; 公共财产 public property; 公共财政 public finance; 公共餐室
