Bucs
abbr. backup control system 备用控制系统
🗣️ 情景例句
I think I'll need your expert assistance this afternoon.
我想，我今天下午需要你专业的协助。
Do you have some stamps?
你有邮票吗？
The situation is serious. Something must be done before it's too late.
形势危急。得及时采取措施。