europium 

  1. 名詞
不可數名詞: 銪

    
                        
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例句

                

                    
    
                                                    
  1. 
                                Europium is isolated by Eugène-Anatole Demarçay.                            
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  2. 
                                The main nitride is europium (III) nitride (EuN).                            
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                                Europium is the most reactive rare earth element.                            
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                                Color TV screens contain between 0.5 and 1 g of europium .                            
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  5. 
                                Europium is a chemical element with symbol Eu and atomic number 63.                            
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