释义 |
元素 yuán sù ★★★★☆n.名词⁰·⁰¹¹⁵ᴾᵃ¹²²¹ 基本例句 elementekahafniumconstituentelementary substanceelementarysubstancecomponent 镭和铀是放射性元素。Radium and uranium are radioactive elements. 这两种元素已经化学合成。The two elements are synthesized by a chemical process. 科学家们正在寻找一种新元素。The scientists are in search of a new element. 这些是惰性元素。These are inactive elements. |