road-block

n barricade across a road, set up by the police or army to stop traffic for search 路障（军警设置的）.

rivet, riveter, riveting, Riviera, rivulet, riyal, rly, RM, RN, RNA, RNIB, RNLI, roach, road, road safety, road sense, road show, road tax, road test, road to, road-hog, road-house, road-mender, road-metal (also metal), road-works, roadblock, roadie, roadrunner, roadside, roadway, roadworthiness, roadworthy, roam, roamer, roan, roar, roaring, roast, roaster, roasting,