Backflooding
地下水逆流
🗣️ 情景例句
I don't care how much I have to study. I have to pass this exam.
我不介意要学多少东西。我必须得通过考试。
To start the city planning
着手都市计划
'I'm having breakfast,' I repeated.
“我正在吃早饭，”我又说了一遍。