Backfilling
[机] 回填
🗣️ 情景例句
It's my fault. I really feel bad about it.
是我的错。 我真的感到很难过。
How much for a one-way ticket to shanghai?
去上海的单程票多少钱？
You see, we've been in China for over two years now, so we are travelling back to England soon for a holiday.
您知道，我们到中国已有两年多时间了，所以不久后我们就要回英国度假了。