Ambulance
noun
Rescue in a hurry using this car. What kinds of cars can do this? How about an ambulance.
きゅうきゅうしゃ
This is a jukugo word, which usually means on'yomi readings from the kanji. If you know the readings of your kanji you'll know how to read this as well.
救急車が急発進して男性にぶつかったため、もう一台別の救急車も必要になった。
The ambulance suddenly took off and hit a guy, so we needed another ambulance.