imperforate 

  1. 形容詞
無洞的, 無孔的
(郵票)無齒孔的
閉鎖的

    
                        
    2. 
                                            

                

            

            
            

                

                
例句

                

                    
    
                                                    
  1. 
                                Initially the sheets were imperforate .                            
    2. 
                                                    
  2. 
                                Corals can be perforate or imperforate .                            
    3. 
                                                    
  3. 
                                They were issued ungummed and imperforate .                            
    4. 
                                                    
  4. 
                                Imperforate corals have hard solid skeletons.                            
    5. 
                                                    
  5. 
                                All were imperforate and printed locally by hand.                            
    6.