Uca
abbr. upper control area 上部控制区
🗣️ 情景例句
Is the tip included in the bill?
账单里包括小费吗？
It's very annoying.
真烦人。
I had no sooner got back to the kitchen than the doorbell rang loud enough to wake the dead.
我刚回到厨房，门铃又响了起来，响声足以把死人唤醒。