Ucas
(uca 的复数) abbr. upper control area 上部控制区
🗣️ 情景例句
Nothing's as refreshing as ice water on hot day!
在大热天没有什么像冰水那样提神。
How could that be?
怎么可能有这种事？
And here's a little present for you.
这里有一件小礼物送你。