定期维修可保持发动机的顺畅运转。

Regular servicing guarantees the smooth operation of the engine.

《牛津词典》

发动机的颤动使得孩子们睡着了。

The vibration of the engine lulled the children to sleep.

《牛津词典》

这家工厂还没有装置生产这类发动机的设备。

The factory is not tooled up to produce this type of engine.

《牛津词典》

We have theories--mathematical theories-- that lead us to devise financial structures, which are complicated devices just like engines or nuclear reactors.

金融学中的理论,数学理论,能帮助我们构造金融工具,金融工具就像发动机,或者核反应堆一样,都是复杂的工具

耶鲁公开课 - 金融市场课程节选

We need to believe that the soul, unlike an engine, can't itself be destroyed, can't itself decompose, can't fall apart.

我们需要相信的是，灵魂和发动机不同，自己不会毁灭，自己不会腐烂，自己不会变成碎片。

耶鲁公开课 - 死亡课程节选

It becomes this economic dynamo because of that, and thus traders are to be found everywhere.

由于运河的开凿,使得这里成为欧洲经济的发动机,各国的商贩在这随处可见

耶鲁公开课 - 欧洲文明课程节选