Bck
[计]= BaCKspace,退格，回退
🗣️ 情景例句
How can I reach you?
我怎样才能联系到你呢？
Will you do me a favor?
你帮我一个忙好吗？
She was too excited to do any housework that morning,
那天上午，她兴奋得什么家务活都不想做，