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历史：

bottleneck

noun
/ˈbɒtlnek/
/ˈbɑːtlnek/
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  1. a narrow or busy section of road where the traffic often gets slower and stops瓶颈路段（常引起交通阻塞）
    • He drove around the outside of the town to avoid the bottleneck in the centre.他开车到镇外逛逛，以避开市中心的瓶颈。
    • a traffic bottleneck交通瓶颈
    • Opponents argue that the traffic lights would cause a bottleneck at the junction.反对者认为，交通信号灯会在交叉路口造成瓶颈。
    Topics Transport by car or lorryc2
  2. anything that delays development or progress, particularly in business or industry（尤指工商业发展的）瓶颈，阻碍，障碍
    • to create/eliminate bottlenecks in the manufacturing process在制造过程中创建/消除瓶颈
    compare logjamTopics Businessc2

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