bottleneck什么意思、怎么读？单词用法、记忆法、发音音标、反义词辨析、词语翻译、例句造句

bottleneck 音标：['bɔtlnek]

n. 瓶颈【经】瓶颈, 增产障碍

However, the expansion of our city the greatest bottleneck is lack of utility investment.

但目前我国城市扩张的最大瓶颈，正是公用事业的投资不足。