engineering roadblock[科技] 工程难题;技术难题
barricade roadblock路中的障碍
Metal Roadblock金属路障
Stationary Roadblock静止式路障
Mad roadblock疯狂路障
tapada roadblock塔帕达
Rolling Roadblock移动式路障
railway roadblock铁路路障
Place roadblock安置路障
N-COUNT（可数名词） When the police or the army put a roadblock across a road, they stop all the traffic going through, for example because they are looking for a criminal. 路障
The city police set up roadblocks to check passing vehicles.
该市警察设置了路障检查过往车辆。