相关单词近義詞 obstruction 障礙, barricade 【C】路障, barrier 柵欄, blockade 【C】封鎖臨近詞roadie, road, roadbed bottom, road roughness, roadworthiness, road extension, road dust load, road engeering, road structure, road aligrment, road equipments, road branch off相似詞road test, road to Damascus idiom, road toll, road trip, roadholding, roadhouse, roadie, roadman, 返回 roadblock