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。
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。
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。
Revving the engine before turning it off may reduce fuel economy.
在发动机未关闭时空踩油门会降低燃油经济性。
Allow your speed to creep up - revving the engine and causing the car to accelerate quickly is wasteful, as is speeding up to traffic lights and having to stop.
加速要缓-当高速行驶时遇到红灯需要停车时，过快加速会造成浪费。
Allow your speed to creep new Jordan shoes up - revving the engine and causing the car to accelerate quickly is wasteful, as is speeding up to traffic lights and having to stop.
加速要缓-当高速行驶时遇到红灯需要停车时，过快加速会造成浪费。
Allow your speed to creep new Jordan shoes up - revving the engine and causing the car to accelerate quickly is wasteful, as is speeding up to traffic lights and having to stop.
加速要缓-当高速行驶时遇到红灯需要停车时，过快加速会造成浪费。
应用推荐