Ucas
(uca 的复数) abbr. upper control area 上部控制区
🗣️ 情景例句
Do you have any other plans for the day?
那么你今天有别的事吗？
We don't have any different opinions about the contractual obligations of both parties.
就合同双方要承担的义务方面，我们没有什么意见。
In a few days I was learning and enjoying it like any child.
几天之后，我像一个孩子那样学习起来--而且学得很开心。