英语流利说Level3 Unit2Part3

Vocabulary Emergency Vehicles

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 repair-shop.

Helicopters are used to rescue people from dangerous places

This helicopter is lifting someone from a sinking boat