| 释义 |
bottlenecks 释义 n. [包装]瓶颈(bottleneck 的复数) 例句 1·At one of the bottlenecks , forested hills rise to form a V, leaving a corridor of open ground only about 150 metres wide, filled with private homes. 在其中一个瓶颈山区,森林覆盖的山丘形成一个 V 形,只剩下150米宽的开放地带,里面全是私人住宅。 2·What might the bottlenecks be? 瓶颈有哪些? 3·Which ones are bottlenecks ? 哪些是瓶颈? 短语 1·bottleneck problem 瓶颈问题
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