Bck
[计]= BaCKspace,退格，回退
🗣️ 情景例句
Is Robbie Stewart there?
Robbie Stewart在吗？
It is good to learn at another man's cost.
前车之覆，后车之鉴。
OK. Let me help you. There! OK?
我来帮你，瞧，行了吧？