Bottleneck effect
[化] 瓶颈效应
🧩 词语组成解析
bottleneck
['bɑtlnɛk]
n. 瓶颈;瓶颈路段（常引起交通堵塞）;（尤指工商业发展的）瓶颈;阻碍;
🗣️ 情景例句
The apples?
苹果吗？
They're all tall, they all have blond hair, and they all seem to have blue eyes, too.
他们都是高个子、金发、看起来也都是蓝眼睛。
He was just falling asleep when there was a loud knock at the door.
他刚要入睡，就有人很响地敲门。