Ucb
abbr. 单元控制部件（Unit Control Block）
🗣️ 情景例句
First, we need to more public relations activities to promote understanding.
首先，我们应该更多地做公关活动以促进了解。
Good health is above wealth.
健康重于财富。
I think I've filled in everything correctly.
我想各项都填对了。