常見例句Radium and uranium are radioactive elements. 鐳和鈾是放射性元素。He was the discoverer of the element radium. 他是鐳元素的發(fā)現(xiàn)者。Radium is a radioactive element. 鐳是個放射性元素。At one end of the barrel there was some radium. 槍琯的一耑裝有鐳。She fag(g)oted all the newspapers together. 她把所有的報紙都綑在一起。Who is the scientist that first discover Radium? 最先發(fā)現(xiàn)鐳的科學家是誰? 返回 radium-G