naphthalene 

  1. 名詞
不可數名詞: 樟腦丸, 臭樟腦
衛生球
石腦油精
萘(一種二環芳族烴)

    
                        
    2. 
                                            

                

            

            
            

                

                
例句

                

                    
    
                                                    
  1. 
                                Most naphthalene is derived from coal tar.                            
    2. 
                                                    
  2. 
                                Naphthalene is the simplest example of a PAH.                            
    3. 
                                                    
  3. 
                                Naphtha is the root of the word naphthalene .                            
    4. 
                                                    
  4. 
                                John Kidd extracts naphthalene from coal tar.                            
    5. 
                                                    
  5. 
                                The liquid thus becomes richer in naphthalene .                            
    6.