For example, you try to make a jet engine.

比如，你试着去制造 一台喷气式发动机。

He spent his entire career designing rocket and jet engines.

他的整个职业生涯都奉献给了火箭及喷气发动机的设计。

They were also responsible for the first American jet engine.

他们还负责生产第一台美式喷气飞机的引擎。

And we've had complete re-architecture of how jet engines work.

我们已经对喷气发动机的工作方式进行了彻底的重新设计。

When it's at about 75, 80 decibels, I'd say a jet engine.

当达到75到80分贝时，我觉得就像喷气发动机发出的噪音。

Now, this idea of marginal gains will eventually get you a good jet engine.

这种边际增益的理念最终可以让你 做出一个很好的喷气式发动机。

One will make jet engines, which GE reckons already power two-thirds of all commercial flights.

其中一家公司将生产喷气发动机，通用电气估计已经为三分之二的商业航班提供动力。

Such testing also isn't a one-off burst of 250-decibel sound louder than a jet engine.

这样的爆炸分贝高达250，比喷气发动机更响，而且不是一次性的爆炸。

It has four jet engines and you have what's being called a " jet man suit" .

这套装备带有四个喷气发动机，有所谓的“飞行员服”。

Varvill and his colleagues are taking a unique approach, a hybrid rocket and jet engine, the SABRE.

瓦维尔和他的同事们正在尝试一种将火箭及喷气发动机混合的独特方法, 这就是SABRE。