Bottleneck problem
[计] 关键问题, 瓶颈问题
🧩 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
Have you filled in the baggage declaration?
行李申请单填好了吗？
I regard that man as lost, who has lost his sense of shame.
我认为，人丧失了廉耻就完了。
These movements are controlled by the trainer with the metal-pointed stick,
训练员要用有锋利金属尖的长棒控制它的这种举动，