terrain
/teˈreɪn/noun
mass noun
- a stretch of land, especially with regard to its physical features地面; 地形, 地势; 地带：
they were delayed by rough terrain.
由于地面崎岖不平, 他们被耽搁了。
词源
early 18th cent. (denoting part of the training ground in a riding school)： from French， from a popular Latin variant of Latin terrenum, neuter of terrenus （see TERRENE）.