The old bus was revving its engine, ready to start the journey back towards Mexico City.

这辆旧巴士轰着油门，准备启程返回墨西哥城。

《柯林斯英汉双解大词典》

Revving to a limited 18,000 RPM, a modern Formula One engine will consume a phenomenal 450 litres of air every second, with race fuel consumption typically around the 75 l/100 km (4 mpg) mark.

一台现代F1引擎的转速被限制在每分钟18000转，每秒需要消耗高达650升的空气，赛车燃油的消耗大约在每百千米75升（4mpg）左右。

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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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(BOY GROANS) (ENGINE REVVING) (GASPS) Get in the car.

VOA: standard.other

Start the engine of the running car, and run it for 1-2 minutes while revving the engine to higher rpm.

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That afternoon Kohestani and more than a hundred of his fellow officers were boarding buses when a man on a motorcycle pulled up and began revving his engine.

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The 918 Spyder will be powered by a unique plug-in hybrid system that will include a high-revving, mid-mounted V8 engine with capacity of more than 4.0 liters and producing at least 500 horsepower.

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