Uca
abbr. upper control area 上部控制区
🗣️ 情景例句
This weekend, I can't wait.
这个周末，我已等不及了。
All is well that ends well.
结果美满都是好的。
But I'm worried about his Chinese.He may fall behind the other students when he comes back.
但我担心他的中文。等他回来后，他可能会落到其他同学后面。