一条路上画着一颗白色钻石(菱形)是什么意思?What does a white diamond painted on the road mean?
道路上有一个隆起There is a crest in the road
你即将到达学校入口You are approaching a school entrance
限速即将改变The speed limit is about to change
你即将到达行人过街处。You are approaching a pedestrian crossing