bottleneck

• 指造成阻塞或狭窄的点，会减缓或限制某事物的流动，如交通、生产或信息；也可指瓶口附近的狭窄部分。

A noun referring to a point of congestion or narrowing that slows down or restricts the flow of something, such as traffic, production, or information. It can also refer to the narrow part of a bottle near the top.

1. Narrow part of a bottleA2formal

   The narrow section of a bottle near its top, through which the contents are poured.

   瓶颈

   • The liquid poured slowly through the bottleneck.
   • He carefully cleaned the bottleneck with a brush.
   • The bottleneck of the wine bottle was sealed with foil.

   同义词neck

2. Traffic or flow restrictionB1formal

   A point of congestion or narrowing that slows down the movement of traffic, people, or data.

   瓶颈

   • The construction created a bottleneck on the highway.
   • The narrow bridge is a major bottleneck for commuters.
   • The server's limited capacity became a bottleneck for the network.

   同义词blockagechokepointcongestionconstrictiongridlockhold upjamnarrowingobstruction

3. Process or system limitationB2formal

   A stage in a process that causes delays because it cannot handle the volume of work.

   瓶颈

   • The approval process is a bottleneck in our workflow.
   • Lack of funding is the main bottleneck for the project.
   • Identifying the bottleneck helped improve production efficiency.

   同义词barrierblockagecongestionconstraintholdupimpedimentlimitationlogjamobstaclesnag

• 动词，表示造成延迟或阻碍，使过程或系统在某个环节受阻，或成为瓶颈。

A verb used to indicate the act of causing a delay or obstruction in a process or system, or becoming a point of congestion.

1. Slow down or impedeB2formal

   To cause a delay or obstruction in a process or flow, often by creating a narrow point.

   造成瓶颈，阻碍

   • The construction work bottlenecked traffic on the highway.
   • Inefficient procedures bottlenecked the entire production line.
   • A single slow server can bottleneck the whole network.

   同义词blockclogcongestconstraindelayimpedeobstructrestrictslow

   反义词accelerateexpeditefacilitatehastenspeed

2. C1formal

   To become narrower in shape, resembling the neck of a bottle.

   变窄

   • The road bottlenecked into a single lane near the bridge.
   • The river bottlenecked as it passed through the canyon.
   • The hallway bottlenecked suddenly, causing a crowd to gather.

   同义词constrictcontractnarrowtaper

   反义词broadenexpandwiden