Ucb
abbr. 单元控制部件（Unit Control Block）
🗣️ 情景例句
I can't show my face in public anymore.
我不能再在公众场合露面了。
Ann prefers cold weather to hot weather.
安喜欢寒冷天气，不太喜欢炎热天气。
Well,you mustn't play in the road.It's dangerous. A car may hit you.
嗯，你不可以在路上玩球。那是很危险的。汽车会撞着你。