bottleneck
/ˈbɒtlnek/noun
1
- the neck or mouth of a bottle瓶颈。
2
- a point of congestion or blockage, in particular拥挤处; 阻塞点, 尤指：
2.1
- a narrow section of road or a junction that impedes traffic flow瓶颈路段。
2.2
- a situation that causes delay in a process or system（影响整个过程或系统的）障碍。
3
- a device shaped like the neck of a bottle that is worn on a guitarist's finger and used to produce sliding effects on the strings（吉他手戴的）瓶颈形压弦器。
3.1
- （亦作bottleneck guitar）[mass noun] the style of playing that uses such a device瓶颈压弦滑奏法。