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
How was your day?
今天好吗？
Does your friend speak English?
你的朋友说英语吗？
I can't make this machine run properly.
我无法使这部机器正常运转。