Bottlenecks
n. 瓶颈( bottleneck的名词复数 ); 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
This is too much.
太过分了。
Beyond this ocean lies the rich subcontinent of India.
海的那一边有富饶的印度次大陆。
To their surprise, the precious parcel was full of stones and sand!
令他们吃惊的是，那珍贵的包裹里面装的全是石头和沙子！