准平原

例句：

1. 1. The farmer had to clear the land for planting crops.
   农民必须清除土地以便种植作物。
2. 2. The city is surrounded by a vast expanse of greenery.
   这座城市被一片广阔的绿地所包围。
3. 3. The new road was built to connect two major cities.
   新路的建设是为了连接两个主要城市。