及物动词

不及物动词

名词

1. 瓶颈路段；狭窄路段；交通拥堵地段
A bottleneck is a place where a road becomes narrow or where it meets another road so that the traffic slows down or stops, often causing traffic jams.

2. （阻碍进展的）瓶颈，障碍
A bottleneck is a situation that stops a process or activity from progressing.

1. the narrow part of a bottle near the top

2. a narrowing that reduces the flow through a channel

Synonym: constrictionchokepoint