相关单词近义词 obstruction 障碍, barricade 【C】路障, barrier 栅栏, blockade 【C】封锁临近词roadie, road, roadbed bottom, road roughness, roadworthiness, road extension, road dust load, road engeering, road structure, road aligrment, road equipments, road branch off相似词road test, road to Damascus idiom, road toll, road trip, roadholding, roadhouse, roadie, roadman, 返回 roadblock