alluvial 

  1. 形容詞
(地質等)沖積的

    
                        
    2. 
                                            

                

            

            
            

                

                
例句

                

                    
    
                                                    
  1. 
                                Soil here is black clay ( alluvial soil).                            
    2. 
                                                    
  2. 
                                It has since been filled by alluvial deposition.                            
    3. 
                                                    
  3. 
                                These early deposits were alluvial and lacustrine.                            
    4. 
                                                    
  4. 
                                Alluvial fertile plains in the remaining portions.                            
    5. 
                                                    
  5. 
                                Surface alluvial gold was the first to be exploited.                            
    6.