undrew

例句：

1. 1.The engineer undrew the foundations of the new building.
   工程师挖掘了新建筑的基础。
2. 2. The team undrew a map of the area before starting their exploration.
   团队在开始探索之前挖出了该地区的地图。
3. 3.Undrewing the old well revealed a forgotten treasure.
   重新挖掘旧井发现了一个被遗忘的宝藏。