听到救护车的声音，人们立刻让出了道路。

People immediately cleared the way when they heard the ___ambulance siren.

救护车迅速赶到事故现场，将伤者送往医院。

The ___ambulance arrived quickly at the accident scene and took the injured to the hospital.

当老人突然晕倒时，有人立即拨打了急救电话并呼叫了救护车。

When the old man suddenly fainted, someone immediately called emergency services and requested an ___ambulance.