中文字幕精品视频在线|中文字幕在线观看|亚洲v日本v欧美v在线播放|伊人网中文字幕

<nav id="3u6n6"></nav><samp id="3u6n6"><tr id="3u6n6"><track id="3u6n6"></track></tr></samp>
    <legend id="3u6n6"><fieldset id="3u6n6"></fieldset></legend>
      

      

      2. 
		
		
      
			
			
      
				
			
      
			
			
		
      
    
      
        
      
            
      
                
                    
      
	
      tuning
      
	
      英 ['tju?n??]
美['tj?n??]

      


	    
      
	
        
    
      • n. [電子][通信] 調(diào)諧；調(diào)音，起弦；協(xié)調(diào)一致；起音，定音
        • 
    
      
	
      

      

    
      考試真題
      
	
      
	
      Often the best ideas for big changes come from unexpected places—it's just a matter of tuning in.
      2017年6月四級(jí)真題（第二套）閱讀 Section B