名词
中文翻译：停止碰撞器
同义词：
['stopper', 'stopper例句：1. The police stopped the car at the traffic light.（警察在交通灯处停下了车。）']
例句：
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1. The police stopped the car at the traffic light.
警察在交通灯处停下了车。
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2.The driver had to stop his car before he could reach the hospital.
司机在到达医院之前不得不停下他的车。
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3. The bus stopped for a while to let passengers off.
公共汽车停下来让乘客下车。