开沟

例句：

1. 1. The farmer needed to clear the land for planting new crops.
   农民需要清理土地以便种植新的作物。
2. 2. The workers were busy digging trenches for the new road.
   工人们忙于为新路挖掘沟渠。
3. 3. The engineer planned to dig a deep well in the deserted area.
   工程师计划在荒无人烟的地区挖一口深井。