GbEng
他了解这里的地形。 He knows the lay of the land here.
司令员对地形作了仔细研究。 The commander made a detailed study of the terrain.
整个地形十分平坦. The whole landscape looked as flat as a pancake.
断层地形上的显著变化,如断层,深谷 A marked change in topography such as a fault or deep valley.