Ucb
abbr. 单元控制部件（Unit Control Block）
🗣️ 情景例句
Now he's got his own trading company. Ann told me he made four million dollars last year.
现在他已有自己的贸易公司。安告诉我他去年赚了400万美元。
Sorry, I don't.
对不起，我没有。
Every time a worker gave up his job, he told the same story.
每次雇工辞职后都叙述着同样的故事。