柯林斯詞典jet engine (jet engines) 1. N-COUNT A jet engine is an engine in which hot air and gases are forced out at the back. Jet engines are used for most modern aircraft. 噴氣發(fā)動機 返回 jet engine劍橋詞典a very powerful engine . When fuel is burned inside the engine , hot air and gases are produced and then pushed out of the back of the engine at high speed , forcing the engine forward . 噴氣發(fā)動機 返回 jet engine