bottleneck [ˈbɑ:tlnek]

例句:

• He pushed everyone full speed ahead until production hit a bottleneck.
  他催促所有人拼命干活，直到生产遭遇瓶颈。
  
• The transportation bottleneck has blocked the movement of the cargo.
  运输的困难阻塞了货物的流通.
  
• We need merely to neutralize it with bombardment in order to dominate the bottleneck.
  我们只需要用炸弹使其瘫痪,从而控制这一块瓶颈地带.
  
• We have a huge bird bottleneck, a superhighway.
  来自BBC
• Or is it still as much a bottleneck as ever?
  来自NEWYORKER
• This was a genetic bottleneck and led to limited diversity.
  来自SA