地貌

例句：

1. 1. The mountain range is the main feature of this region's landscape.
   山脉是该地区景观的主要特征。
2. 2. The geological survey revealed that the area has undergone significant changes over the past century.
   地质调查发现，该地区在过去一个世纪经历了显著的变化。
3. 3. The erosion of the riverbed has created a new landscape of rocks and sand.
   河流侵蚀形成了新的岩石和沙砾景观。