They experimented with a new type of engines.

他们用一种新型的发动机进行试验。

youdao

This was done by increasing the power of engines and making the aircraft fuselage more streamlined.

这是通过增大引擎的动力以及把机身制作成流线型来实现的。

youdao

Rolls-Royce Group Plc climbed 1.3 percent to 645.5 pence after Citigroup Inc. raised its recommendation for the world’s second-largest maker of engines to “buy” from “hold.”

全球第二大引擎生产商劳斯莱斯集团股价上涨1.3%，至645.5便士，花旗集团把劳斯莱斯股票评级从持有上调为买入。

youdao

On January 15th, the engines of a US Airways plane lost power shortly after takeoff from LaGuardia Airport in New York City.

VOA: special.2009.01.30

If you look at the history of engines there are discrete advances when people were able to apply the theory more and more.

如果你去回顾一下引擎的发展史,就会发现在这进程中的取得的各种突破,都源于对理论更加充分的应用

耶鲁公开课 - 金融市场课程节选

Cars get built out of engines, tires and steering wheels.

汽车由发动机，轮胎,和方向盘等零件制造而来。

耶鲁公开课 - 死亡课程节选

But whereas Mexico accepts imports of both types of engines, Brazil accepts only the EU type.

ECONOMIST: Brazil, Mexico and trade

And there are an enormous number of engines not designed for these higher levels of ethanol.

FORBES: Biggest Battle Yet for Biofuels Begins

The authority said full-time firefighters will be reduced, but the number of engines will remain the same.

BBC: MP calls for rethink on Taunton fire service cuts