名词短语
中文翻译：速度控制
同义词：
['speed regulation', 'speed control']
例句：
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1.The car's speed was reduced to a safe level for the driver.
汽车的速度被降低到司机安全的水平。
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2. The government is responsible for maintaining the speed limit on the highway.
政府负责维护高速公路上的速度限制。
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3.The driver had to slow down to avoid hitting a pedestrian crossing the street.
司机不得不减速以避免撞到正在横穿马路的行人。