Ucb
abbr. 单元控制部件（Unit Control Block）
🗣️ 情景例句
What kind of exercises do you like to do?
你喜欢什么锻炼方式？
I ought to go to work now.
我应该现在去工作。
You always say that,but we never win anything!
你老是那样说，但是我们从来没赢过！