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解答:1.Before broaching the subject of this lecture, I should like to recall that the discoveries of radium and of polonium were made by Pierre Curie in collaboration with me.
在开始讨论这次演讲的话题之前, 我还想回忆一下,镭和钋发现是皮埃尔·居里与我合作完成的.
2.Madame Curie named it polonium in honour of her native country.
居里夫人将它命名为钋,以纪念她的祖国.
3.Polonium is a highly radioactive element and a metalloid.
钋是高放射性的元素,金属.
4.Two old plutonium disposal plants damaged at once by some unestablished reason.
两个遗留有钋的星球被一些不明原因突然破坏.
5.The isotope does occur in nature but only extremely rarely.
钋的同位素在自然界中的确存在,但是相当罕见.
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