perpetuity 

  1. 名詞
不可數名詞: 永久, 永遠
不朽, 不滅
可數名詞/
複數為"perpetuities":
永久使用權
永久所有權
終生養老金

    同義字詞
eternity,everlasting,foreverness,infinity

  2. 副詞
in perpetuity:
永久地
永遠地
無盡期地

    
                        
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例句

                

                    
    
                                                    
  1. 
                                You can't win every series in perpetuity .                            
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  2. 
                                The grant was "in perpetuity " and exists today.                            
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  3. 
                                Why does he consent to anything short of a perpetuity ?                            
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  4. 
                                Why the quest for permanence & existence in perpetuity ?                            
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  5. 
                                This was especially so regarding endowed perpetuity masses.                            
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