bot·tle·neck /ˈbɑtḷˌnɛk/
瓶頸
bottleneck
瓶頸
bottle-neck
*瓶頸
bottleneck
*瓶頸
bottleneck
n : a narrowing that reduces the flow through a channel [syn: constriction,
chokepoint]
v 1: slow down or impede by creating an obstruction; "His
laziness has bottlenecked our efforts to reform the
system"
2: become narrow, like a bottleneck; "Right by the bridge, the
road bottlenecks"