名词
中文翻译：减速
同义词：
['deceleration', 'slowing down', 'reducing speed']
例句：
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1. Thecar's deceleration was so sudden that it almost caused a collision.
汽车的减速如此之快，以至于差点发生碰撞。
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2. The driver had to decelerate quickly to avoid hitting the pedestrian.
司机不得不迅速减速以避免撞上行人。
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3.The train gradually slowed down as it approached the station.
火车逐渐减速，靠近车站时。