sliding barrier

例句：

1. 1. The car wasstopped by a sliding barrier in the road.
   汽车在道路上被一个滑动障碍物停了下来。
2. 2. The construction workers had to move thesliding barrier before they could continue work.
   建筑工人不得不移动滑动障碍物，才能继续工作。
3. 3. The sliding barrier is designed toprevent vehicles from moving too quickly and causingaccidents.
   滑动障碍物的设计是为了防止车辆过快行驶，避免发生事故。