Ucb
abbr. 单元控制部件（Unit Control Block）
🗣️ 情景例句
I'm paying lots of money for you, so you'd better do well.
我为你花了那么多钱，所以你要好好干。
Who is the man?
那位男士是谁？
How it came about that snakes manufactured poison is a mystery.
蛇是怎样产生毒液的，这是一个谜。