terrain

/təreɪn/

a piece of ground having specific characteristics or military potential

Chinese meaning: 地形；地势

The rugged terrain made the hike much more challenging than expected.

崎岖的地形使这次徒步比预期更具挑战性。

The army had to adapt its strategy to the mountainous terrain.

军队不得不调整策略以适应多山的地形。