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
I have a picture of Grandpa and Dad and me in my wallet.
我皮夹里有一张照片，是爷爷、爸爸和我在一起照的。
An evening red and a morning grey, is a sign of a fair day.
晚霞红如火，晓色青如灰，定是晴朗天。
Both of them are exciting. I like watching them. Are you good at sailing?
这两种运动都令人兴奋。我喜欢看。你擅长帆船吗？