The car was running at high speed.

汽车急速地向前行驶。

《新英汉大辞典》

That is, there will be as many as 300 of these events every second that the engine is running at high speed.

也就是说，在发动机高速运转时，这样的动作每秒钟要发生300次。

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Across his painting, named Racing Horse, we can see a horse running at high speed like a missile across the sky.

通过他的名为“赛马”的国画，我们能看到一匹骏马犹如一支火箭凌空飞跃。

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Countrywide is accused of running a trading scheme from 2007 to 2009 that was deliberately designed to process loans at high speed without checks on their quality.

BBC: Bank of America sued for $1bn for alleged mortgage fraud

Eyewitnesses said he drove the vehicle at very high speed and on the wrong side of the road through busy areas, running over pedestrians and smashing into vehicles.

BBC: Santosh Maruti Mane in Pune, 25 Jan