详细解释:n. 越野长跑训练
详细解释：
road.work
n.（名词）Sports Outdoor long-distance running as a form of physical exercise or conditioning.【体育运动】 长跑练习：一种作为体育锻炼或训练方式的户外长距离跑步The activity of taking a band, typically a rock band, on extended tours.在漫长的旅途中带摇滚乐队等乐队的活动Highway construction.高速公路建筑