We found that pitchblende contains at least two radioactive materials, one of which, accompanying bismuth, has been given the name polonium, while the other, paired with barium, has been called radium.我们发现沥青铀矿物中至少含有两种放射性物质：与铋伴生的命名为钋，与钡伴生的命名为镭。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。
英英词典释义
Noun
1. a radioactive metallic element that is similar to tellurium and bismuth; occurs in uranium ores but can be produced by bombarding bismuth with neutrons in a nuclear reactor