ambulance

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.

灾区急需军用救护车运送伤员。

Military ___ambulances are urgently needed to transport the wounded in the disaster area.

我哥哥是一名救护车司机。

My brother is an ___ambulance driver.

我们需要一辆救护车，请快点！

We need an ___ambulance, please hurry!