terrain
US
UK terrain n: (ground type)
SC 地形 dì xíng
TC 地形
TC 地形
SC 地势 dì xíng，dì shì
TC 地勢
TC 地勢
The terrain was uneven and the walkers had some difficulty crossing it.
all-terrain vehicle n: (quad bike)
SC 四轮全地形车，沙滩车
ATV n: initialism (all-terrain vehicle)
SC 全地形交通工具
It is illegal to drive an ATV on this highway.