Bottle neck
[化] 瓶颈
🧩 词语组成解析
neck
[nɛk]
n. 颈，脖子;衣领;海峡;[地]岩颈;
vi. 搂着脖子亲吻，相拥互吻;变狭窄;
vt. 使变细;与…搂著脖子亲吻;割颈杀死（家禽等）;
🗣️ 情景例句
He applied to Columbia,
他申请了Columbia大学。
We had expected much lower prices.
我们希望报价再低一些。
What was the population of the more developed countries in 1950?
1950年较发达国家的人口是多少？