学校校车正停在路边上下学生，你应该以什么时速超越校车？The school bus is currently parked on the side of the road picking up or dropping off students. At what speed should you exceed the school bus?
最高20公里/小时的时速Max speed of 20 km/h
最高30公里/小时的时速Max speed of 30 km/h
最高50公里/小时的时速Max speed of 50 km/h
按照道路标识的最高时速行驶即可Follow the posted speed limit on the road.