Polonium
[pə'ləʊnɪəm]
解釋/意思:
(noun.) 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.
整理:雷蒙德--From WordNet
[pə'ləʊnɪəm]
(noun.) 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.
整理:雷蒙德--From WordNet