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      feeder
      
	
      英 ['fi?d?]
美['fid?]

      


	    
      
	
        
    
      • n. 支線(xiàn)；喂食器；奶瓶；飼養(yǎng)員；支流
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      考試真題
      
	
      
	
      One of the largest feeders for high school math competitions—including those that eventually lead to the IMO—is a middle school program called MathCounts.
      出自-2017年6月閱讀原文
      Another influential feeder for advanced-math students is an online school called Art of Problem Solving, which began about 13 years ago and now has 15,000 users.
      出自-2017年6月閱讀原文