Becs
abbr. 基本错误控制系统（Basic Error Control System）；北京中岩工程管理有限公司
🗣️ 情景例句
Five, five, five, seven, five, three, two.
5557532。
How long will it take you to make it?
你要多久才能做好它？
I hope to conclude some business with you.
我希望能与贵公司建立贸易关系。