That means it is easier for planes with only two engines to strike a flock of birds and lose power in both engines.

VOA: special.2009.04.01

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

High levels of sulfur in diesel made from petroleum have meant diesel engines produce a strong smell.

VOA: special.2010.11.17

It's like we have laws of thermodynamics that underlie the use of engines, but you can't just go from the laws of thermodynamics to an automobile; there are a million steps along the way.

这就好比热力学定律,为引擎的使用打下了理论基础,但你不能从热力学定律一步跨越到发明汽车,这中间还要经历成千上万的步骤

耶鲁公开课 - 金融市场课程节选

Captain Chesley Sullenberger reported that both of his plane's engines had struck birds.

VOA: special.2009.04.01

So, what I want to do is make a new engine which really just consists of two engines, side by side.

我们先构造一个,由两个热机组成的热机，并排排列。

麻省理工公开课 - 热力学与动力学课程节选

There were no special materials to block the noise of the engines.

VOA: special.2010.10.06

It's really a technology initiative that's aimed to index the "dark" web or the hidden web, because according to computer scientists, right now the conditional search engines only index about 1% of the information on the Internet.

这是一项,致力于将暗网,或隐藏网页纳入索引的技术创新，根据计算机科学家的统计，条件式的搜索引擎只将,互联网上1%的信息纳入了索引。

斯坦福公开课 - 百度CEO李彦宏演讲：全球最大搜索引擎的发展课程节选

I asked one of the workers if he could start the engines.

VOA: special.2010.07.31

It's biological engines, right. Things that either produce or consume biological fuel to do different sorts of processes. Also, of course of key importance to understand what the, in that case, biological thermodynamics are.

但不只是我们制造的引擎,生物引擎也是如此,它们产生或消费生物燃料,来完成不同的过程，当然，这也是理解生物热力学的关键所在。

麻省理工公开课 - 热力学与动力学课程节选

And it starts a new business. So they are the engines of economic growth throughout the world."

VOA: standard.2010.01.31

The volcano has sent a massive cloud of microscopic ash particles swirling across northern Europe - particles that air specialists say are highly abrasive and could cause aircraft engines to fail.

VOA: standard.2010.04.16

"When the skipper on the Ady Gil saw the Shonan Maru moving in to strike him, he put his engines in reverse to get out of the way, which probably saved some of his crew but it ripped the front end of the vessel off and caused catastrophic damage to the Ady Gil,"

VOA: standard.2010.01.06