motocross

noun

1. 摩托车越野赛
   the sport of racing motorcycles over rough ground

1. He was in town for a motocross race.
   他当时到这里参加摩托车比赛。
2. When I worked in the UK for the Yamaha importer after spending a couple of years in the Technical Service Division I got involved in the Motocross and Trials programs.
   花费了几年时间在技术维修服务部门后，在英国为雅马哈进口商工作的我和摩托越野赛和Trials（技巧赛？）赛事产生了关联。