名词
中文翻译：超速
同义词：
['hyperspeed', 'superspeed']
例句：
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1.The ultrafast train is the fastest way to travel between cities.
这列超快的火车是城市间旅行最快的方式。
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2. The driver was caught by the police for driving at an ultraspeed.
司机因超速驾驶被警察抓获。
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3. The new car has a top speed of 200 km/h, which is an ultraspeed compared to other cars.
这款新车的最高速度为每小时200公里，与其它汽车相比，速度非常快。