从以下词典查找:
历史:
bottleneck
bot·tle·neck / 5bBtl7nZk ; 5bRtlnek /noun C
1. a place in a road where the traffic cannot pass easily, so that there are a lot of delays瓶颈路段,交通阻塞点,狭窄路段
2. a delay in one stage of a process that makes the whole process take longer〔妨碍工作进度的〕瓶颈,障碍:
Understaffing has caused a real bottleneck.人手不足妨碍了整个进度。

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