Fire truck is right, both fire engine and fire truck are fine.
Fire truck
fire fighting truck
Fire truck
Also called fire truck. A special vehicle that rushes to the scene of a fire to put out the fire. The vehicle is equipped with water tanks, water pumps, hoses, fire extinguishing agents, movable ladders and other fire-fighting equipment. The body is painted red.
Bilingual examples
1. The fire truck drove past with its siren blaring.
The?fire trucks?sirened?by.?
2. Immediately afterwards I heard the sound of the fire truck. For me at that moment, it was a sacred song.
Then?I?heard?it——the?sound?of?a?fire engine.?It?was?music?to?my?ears.?
3. Fire trucks and ambulances have priority over other vehicles.
Fire engines?and?ambulances?have?priority?over?other?traffic.Extended information
Ambulance
ambulance
Ambulance
A car designed to transport the sick and wounded. It has a closed carriage and is equipped with stretchers and first-aid medical facilities. The body is painted with a red cross on a white background.
Bilingual examples
1. How can I call an ambulance?
How?can?I?call?an ambulance?
2. Unfortunately, it was cancelled, and they didn’t find an ambulance until the next day.
No.?Cancel?that.?They?cannot?get?an?ambulance?till?the next day.?
3. After that, all I can think of is Ambulance. ?Then I was in the hospital.
But then, the next?thing?there was?an ambulance?and?I?was?in?hospital.?