off-road
adjective [ before noun ] uk/ˌɒfˈrəʊd/ us/ˌɑːfˈroʊd/
（车辆或自行车）越野的
relating to or using a vehicle or a bicycle that can be used on rough ground as well as on normal roads
an off-road mountain bike 越野山地自行车
an off-road driving experience 越野驾驶体验