discolouration 

  1. 名詞
英式: 不可數名詞: 變色
褪色
可數名詞/
複數為"discolourations":
色斑
污點
/此名詞美式參考"discoloration"/

    
                        
    2. 
                                            

                

            

            
            

                

                
例句

                

                    
    
                                                    
  1. 
                                It causes discolouration and corrosion .                            
    2. 
                                                    
  2. 
                                A scraped discolouration on the left cheek.                            
    3. 
                                                    
  3. 
                                Corn, which have a yellowish discolouration .                            
    4. 
                                                    
  4. 
                                Weil began discolouration into the disintegration.                            
    5. 
                                                    
  5. 
                                Freedom from after-cooking discolouration and taints.                            
    6.