[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。
语源
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)