短语
中文翻译：以铁路速度
同义词：
["at a train's pace", 'at the speed of a train', 'on the rails']
例句：
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1. Thetrain is moving at a fast enough speed to reach the destination within an hour.
火车以足够快的速度行驶，可以在一小时内到达目的地。
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2. She was so excited that she could hardly keep up with the train's pace.
她非常兴奋，以至于跟不上火车的速度。
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3. The engineer had to slow down the train at the speed of a train to avoid hitting a car.
工程师不得不以火车的速度减速，以避免撞上一辆汽车。