Bck
[计]= BaCKspace,退格，回退
🗣️ 情景例句
Be careful not to drink the water in__.
小心点儿，不要乱喝水。
On New Year's Eve, people usually cook lots of good dishes.
在大年夜，人们常常做很多好吃的。
They had rushed up to her while she was having a picnic at the edge of a forest with her children and tried to steal her handbag.
刚才，当她和孩子们正在森林边上野餐的时候，这两个人冲到她跟前，企图抢走她的手提包。