Backtracking operation
[计] 回溯操作, 向后追踪操作
🧩 词语组成解析
[计] 回溯法
🗣️ 情景例句
And it needs your contributions of furniture,
而且也需要你捐献家具，
The restaurant is across the street from the hotel.
餐馆越过宾馆的街区。
It was spring,but the weather was awful.It rained all the time.
是春天，但天气太糟了。一直在下雨。