retention 

  1. 名詞
不可數名詞: 保留, 保持
維持
記憶力
扣留, 滯留
閉尿

    
                        
    2. 
                                            

                

            

            
            

                

                
例句

                

                    
    
                                                    
  1. 
                                High salt intake causes fluid retention .                            
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  2. 
                                All the schools have a low retention rate.                            
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  3. 
                                A brand builds loyalty and customer retention .                            
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  4. 
                                Feiler, L.: The Data Retention Directive (2008).                            
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  5. 
                                Exercise maintains the maximum oxygen retention .                            
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