terrain feature

例句：

1. 1.The mountain range is a prominent terrain feature in the region.
   山脉是该地区的一个显著地形特征。
2. 2.The geological survey team identified several terrain features that could be used for resource extraction.
   地质调查队识别出几个可用于资源开采的地形特征。
3. 3. The engineers designed a new terrain feature to enhance the stability of the bridge.
   工程师设计了一个新的地形特征，以增强桥梁的稳定性。