懂你英语 Level3 Unit2 Part3 Vocabula

Ambulances are used to transport injured or sick people to a hospital. 

An ambulance has trained medical personnel who can treat injured or sick people.

A wheelchair is for people who can’t walk. 

Wheelchairs have four wheels and are often pushed by people from behind.

Fire engines are used to fight fires. 

Firefighters like this one often rescue people from burning buildings.

Tow trucks are used to tow cars. 

This tow truck is towing a car to a repair shop. 

Helicopters are used to rescue people from dangerous places. 

This helicopter is lifting someone from a sinking boat.