In July 1898, Madame Curie and her husband got a great success that they discovered the radioactive element, polonium, which Marie named after Poland.

 
  • 1898年7月,居里夫人和她的丈夫取得了一项极大的成就-----他们发现了一种放射性元素,玛丽以波兰这一名称的字头命名它为钋。
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