americium 

  1. 名詞
不可數名詞: 鋂

    
                        
    2. 
                                            

                

            

            
            

                

                
例句

                

                    
    
                                                    
  1. 
                                Americium is a highly radioactive element.                            
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  2. 
                                Americium (III) fluoride was first used for this purpose.                            
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  3. 
                                Metallic americium is obtained by reduction from its compounds.                            
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  4. 
                                Americium often enters landfills from discarded smoke detectors.                            
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  5. 
                                Americium readily reacts with oxygen and dissolves well in acids.                            
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