Backflooding
地下水逆流
🗣️ 情景例句
You really must try and take more care.
你一定要更当心一点。
To conclude the business, you need to cut your price at least by 4%,I believe.
我认为要做成这笔交易，您至少要降价4%。
If there had not been a hard layer of rock beneath the soil, they would have completed the job in a few hours.
如果不是因为土壤下面有一层坚硬的岩石，他们的营救工作仅用几个小时就可以完成了。