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      purify
      
	
      英 ['pj??r?fa?]
美['pj?r?fa?]

      


	    
      
	
        
    
      • vt. 凈化；使純凈
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      • vi. 凈化；變純凈
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      考試真題
      
	
      
	
      We purify the water we drink with a water filter designed for the astronauts' use in space.
      2017年12月四級(jí)真題（第二套）聽(tīng)力 Section C