Noun:

1. broken rock used for repairing or making roads

roadlice微型汽车roadn.路；道路；途径；方法road power spectral density道路谱密度road performance properties路用性能Road network structure plan道路网结构规划ROAD TUNNELS AND TOLL ROADS行车隧道及收费道路road traffic sign detection交通标志检测road - building machinery筑路机械road detection and tracking道路检测和跟踪road construction equipment筑路设备Road synthetic damping rate道路综合阻尼率road surface identification路面识别