基本解释n.下段射程(下靶场；目标线)adj.下靶场的同根派生 英汉例句Landed a thousand miles downrange; the downrange target area.在顺发射方向一千英里处着陆; 发射方向的目标区域The signal was picked up by a downrange radar station.该信号被试验飞行方向之内的雷达站收到了。