名词
中文翻译：运行块
同义词：
['running block', 'running blocker']
例句：
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1. The car was stuck in the trafficjam for over an hour.
汽车在交通堵塞中被困了超过一个小时。
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2. The engineerused a running block to clear the road.
工程师使用一个运行块来清理道路。
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3.The running block helped to reduce the impactof the collision.
运行块帮助减少了碰撞的影响。