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      coupon
      
	
      英 ['ku?p?n]
美['kupɑn]

      


	    
      
	
        
    
      • n. 息票；贈(zèng)券；聯(lián)票；[經(jīng)] 配給券
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      英英釋意
      
	
      
	
      1. a negotiable certificate that can be detached and redeemed as needed
      

      2. a test sample of some substance