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单词

polonium

读音
pəˈloʊniəm
美式
英式
词根

释义

n. [化学] 钋(一种放射性元素)

例句

Pierre Curie joined her in the work that she had undertaken to resolve this problem, and that led to the discovery of the new elements, polonium and radium.
皮埃尔·居里和她一起致力于解决这个问题,结果发现了新元素钋和镭。
In 1898 they discovered polonium and radium.
1898年,他们发现了钋和镭。
So, you've got polonium or thorium sitting inside this leaded box with one opening.
把钋或者钍放在,开一个小口的含铅的盒子里面。

强化记忆

看视频学发音
In 1898, they reported two new elements,polonium, named for Marie's native Poland,and radium, the Latin word for ray.
In 1911, she won yet another Nobel,this time in chemistry for her earlier discovery of radium and polonium,and her extraction and analysis of pure radium and its compounds.
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出国,其他

所在词典

剑桥雅思阅读真题4-15,经济学人(The Economist)