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
How did he get to be a department head so fast?
他怎么这么快就成为一个部门的主管？
I've bee invited over to a friend's, and you?
有个朋友请我去作客，你呢？
There are many different varieties of bee.
有很多不同种类的蜂。