terrain

/təreɪn/

a piece of ground having specific characteristics or military potential

中文释义：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。