Bck
[计]= BaCKspace,退格，回退
🗣️ 情景例句
Is this your very first advanced aerobics class?
这是你第一次上有氧运动高级班吗？
That sounds OK. I'll need it from the 10th to the 14th.
听上去挺不错。从10号到14号我需要租一辆。
This shows how long it was before we deemed it necessary to make sure that all our children could share in the knowledge accumulated by the'happy few' during the past centuries.
这说明，经过了多么漫长的时间之后，我们才认识到，有必要确保我们的孩子享有多少个世纪以来由‘少数幸运者’所积累起来的知识。