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. 
		
		
      
			
			
      
				
			
      
			
			
		
      
    
      
        
      
            
      
                
      首頁英語詞典vacuumvacuum詞組搭配
      
                    
      
	
      vacuum
      
	
      英 ['v?kj??m]
美['v?kj??m]

      


	    
      
	
        
    
      • n. 真空；空間；真空吸塵器
        • 

      • adj. 真空的；利用真空的；產(chǎn)生真空的
        • 

      • vt. 用真空吸塵器清掃
        • 
    
      
	
      

      

    
      詞組搭配
      
	
      
	
      in a vacuum
      (of an activity or a problem to be considered) isolated from the context normal to it and in which it can best be understood or assessed
      （需考慮的活動，問題）似在真空中；脫離現(xiàn)實