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      spicule
      
	
      英 ['sp?kju?l]

      


	    
      
	
        
    
      • n. 針狀體；[無(wú)脊椎] 骨針；小穗狀花序
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      英英釋意
      
	
      
	
      1. small pointed structure serving as a skeletal element in various marine and freshwater invertebrates e.g. sponges and corals