118、level3-unit2-part3 vocabular

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.
救护车被用来运送伤员或病人到医院。
一辆救护车有已经训练有素的医务人员，他们可以治疗受伤或生病的人。

A wheelchair is for people who can't walk.
Wheelchairs have four wheels and are often pushed by people from behind.
轮椅是为不能走路的人准备的。
轮椅有四个轮子，经常由后面的人推着。

Fire engines are used to fight fires.
Firefighters like this one often rescue people from burning buildings.
消防车是用来灭火的。
像这样的消防员经常从燃烧的建筑物中救出人们。

Tow trucks are used to tow cars.
This tow truck is towing a car to a repair shop.
拖车被用来拖汽车。
这辆拖车正把一辆汽车拖到修理厂去。

Helicopters are used to rescue people from dangerous places.
This helicopter is lifting someone from a sinking boat.
直升飞机被用来从危险的地方营救人们。
这架直升飞机正把一个人从正在下沉的船上吊起来。