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n.瓶颈( bottleneck的名词复数 )；瓶颈路段（常引起交通堵塞）；（尤指工商业发展的）瓶颈；阻碍 英英释义： bottleneckn.a narrowing that reduces the flow through a channel同义词：constrictionchokepointthe narrow part of a bottle near the topv.slow down or impede by creating an obstruction"His laziness has
