Ucb
abbr. 单元控制部件（Unit Control Block）
🗣️ 情景例句
He accused the government of tearing up the negotiated agreement.
他控告政府撕毁协议。
Camping with a group is fun.
大伙露营是趣味横生的事。
He's been there for over two years. He's been there since two years ago.
他到校有两年多时间了。他两年前就到那儿学习了。