Ucb
abbr. 单元控制部件（Unit Control Block）
🗣️ 情景例句
So, it's virtually risk-free for you.
所以，事实上对您而言，是完全没有风险的。
She was married against her will.
她结婚是有违本意的。
That's a nice car. How long have you had it?
好漂亮的汽车。你买多久了？