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汉语拼音：pēn qì fā dòng jī

全称喷气式航空发动机”。将燃料化学能转变为由尾喷管高速喷出的燃气流的动能，从而产生推动飞行器前进推力的发动机。分为空气喷气发动机和火箭发动机两类。具有推力大，适于驱动各种飞行器在高空作高速飞行等特点；但热效率低，造价高，经济性能较差。

1. 使燃料燃烧时产生的气体高速喷射而产生动力的发动机。高速飞机和火箭都使用这种发动机。

• Unlike a rocket engine, the jet engine, as you know, is an "air breather" .

  正如你们所知道的，这种喷气发动机与火箭发动机不同：它是“空气喷气发动机”。

• The steady drone of the jet engines suddenly changed pitch. Jack opened his eyes, instantly alert, surprised he'd slept at all.

  喷气发动机单调稳定的嗡嗡声突然变了个调子，杰克顿时警觉地睁开双眼，心里讶异着自己怎么会睡着。

• The yellow American-style school bus has been fitted with a jet engine from a Phantom fighter plane, allowing it to reach up to 367mph.

  在黄色的美国式校车上加装了一台幻影战机的喷气发动机，使它时速达到367英里（590公里）。

• Making jet engines able to work at extreme temperatures is an extraordinary achievement.

  让喷气发动机能够在极限温度下运转，是一项非凡的成就。

• Powered by a rocket bolted to a Eurofighter-Typhoon jet engine, the Bloodhound car will mount an assault on the land speed record.

  该车由栓接在欧洲台风战斗机喷气发动机的火箭驱动，将向世界陆地最快速度发起猛烈冲锋。

• Note also that so far our jet engine is still working discretely , i. e. it is still operating on the SSBB cycle as used in a car engine.

  还要注意的是，迄今，我们仍是喷气发动机工作不连续，也就是说，它仍然在黑带周期运行在汽车发动机使用。

• For a slightly longer answer, I shall endeavour to explain below what it is and how it's used in a jet engine.

  对于稍长的答复，我将努力在下面解释它是什么以及它如何在一台喷气发动机使用。

• A turbojet engine in which a fan supplements the total thrust by forcing air directly into the hot turbine exhaust.

  涡轮风扇喷气发动机一种涡轮喷气发动机带有一个风扇，通过将空气直接压入热的涡轮排气管而补充总推力

• He leveled the T-33 jet , then put the nose down sharply and began, a dive into a second loop .

  他拉平“T-33型”喷气发动机，接着猛然俯冲，开始翻第二个筋斗。