decrease1
  
  
	      			KK: [dɪˈkris]
	      			DJ: [diːˈkriːs]
  
    vi.
    
      - 減;減少,減小[(+in/to)]
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Car sales are 
decreasing.
汽車銷售量下跌。
 
    
    vt.
    
      - 減;減少,減小[(+to)]
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These measures will help 
decrease the cost of production.
這些措施有助於降低生產成本。
They are making every effort to 
decrease the production cost.
他們正盡力減少生產成本。
 
    
   
  辨析
  
 
  
    
decrease2
  
  
	      			KK: [ˈdikris]
	      			DJ: [ˈdiːkriːs]
  
    n.
    
      - 減少,減小[C][U][(+in/of)]
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There has been a 
decrease in our imports.
我們的進口減少了。
 
      - 減少額,減小量[C][(+in/of)]
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The 
decrease in unemployment was 30 percent.
失業人數減少了百分之三十。
 
    
   
  片語
  
    on the decrease
    
      - 逐漸減少的
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Is your production 
on the decrease?
你們的產量在減少嗎?
 
    
   
 
  v.
  
/
dɪˈkriːs/
 make or become smaller or fewer in size, amount, intensity, or degree.
n.
  
/
ˈdiːkriːs/
 an instance of decreasing. 
▸the action of decreasing.
 
  Derivative
  
    - decreasing adj.
  - decreasingly adv.
 
   
  Etymology
  ME: from OFr. decreis (n.), decreistre (v.), based on L. decrescere, from de- ‘down’ + crescere ‘grow’.