The truck came to rest against a tree, its engine racing.

卡车靠着一棵树停了下来，引擎空转着。

《牛津词典》

He found that if he kept the truck in fifth gear and didn't go any slower than 25 MPH, he could still move ahead, even with his engine on fire.

他发现如果他使卡车在五分之一挡并且速度不低于25英里每小时的话，即使他的引擎是着火的他仍然可以继续前行。

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You can’t always get rid of a headache, but you can close the windows if the driver of a truck is outside revving his engine.

你不能总摆脱头痛的干扰，不过你确实可以在街边货车司机尝试启动他的引擎的时候把窗户关上。

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Ford is marketing its Triton truck engine, and Cadillac is touting its powerful Northstar engine.

FORBES: Hemi Hype

Meanwhile the major truck engine manufacturers are developing and manufacturing engines to run directly on natural gas.

FORBES: Sasol's Answer to the Natural Gas Highway: Convert the Fuel

Cummins owned the high horsepower truck engine business then, not International Harvester.

FORBES: Management Guidance Is Mostly Worthless