记忆方法
记忆“bottleneck”这个单词，可以将其分解为“bottle”和“neck”。想象瓶颈（bottle neck）是一个非常狭窄的部分，如同一个阻碍，就像在生活中，“bottleneck”指的是一个阻碍或瓶颈问题。通过这样的比喻，可以帮助记忆这个单词的含义。
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英语词源
- bottleneck (n.)
- also bottle-neck, "narrow entrance, spot where traffic becomes congested," 1896; from bottle (n.) + neck (n.). Meaning "anything which obstructs a flow" is from 1922; the verb in this sense is from 1928.
权威例句
- 1. He pushed everyone full speed ahead until production hit a bottleneck.
- 他催促所有人拼命干活，直到生产遭遇瓶颈。
- 2. The transportation bottleneck has blocked the movement of the cargo.
- 运输的困难阻塞了货物的流通.
- 3. We need merely to neutralize it with bombardment in order to dominate the bottleneck.
- 我们只需要用炸弹使其瘫痪,从而控制这一块瓶颈地带.
- 4. This paper analyzes and extends the bottleneck model to rail transit congestion.
- 首先,运用瓶颈模型的思想对直达轨道交通拥挤进行分析.
- 5. China's strained railroads already become a bottleneck for the economy.
- 中国紧张的铁路运输已经成为经济增长的瓶颈.