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
Is this bus going to Dallas?
这车开往达拉斯吗？
How long does it take to get there?
到那里要多少时间？
He is respectful to his elders.
他对长辈很恭敬。