Backfilling
[机] 回填
🗣️ 情景例句
At 4, but I have to leave by 3:00 to get there on time.
四点，不过我三点必须离开，才能准时到那里。
Let's look at the agenda and talk the first item.
让我们看一下议程讨论第一项。
What are you doing, Carol?
卡罗尔，你在干什么？