Ucb
abbr. 单元控制部件（Unit Control Block）
🗣️ 情景例句
He's just fooling around.
他用情不专。
According to the weather report, tomorrow Lost Angeles will be partly cloudy with occasional rain shower.
根据天气预报,洛杉矶明天将是阴天偶雨居多。
It took the police nearly an hour to get the traffic on the move again.
警察花了将近一个小时才使车辆又开起来。