Medical Drone In the 2020s: the 14-year-old Stephen was injured his right knee after he landed hard from a layup, he urgently needed send to the hospital. The ambulance called the medical drone assistance team to prepare a package for saving this boy. Five minutes later, the drone was on the spot . 医疗无人机 在2020的某一天，一名14岁的小孩士谭福在上篮时伤了他的右膝，他必须马上送去医院。医院立刻呼叫医疗无人驾驶援助队准备好医疗包来就这名男孩。过了5分钟，无人机就到了。