动词
中文翻译：阻止
同义词：
['stop', 'hinder', 'obstruct']
例句：
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1. The traffic block caused delays in the morning rush hour.
交通堵塞导致早晨高峰时段的延误。
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2. The police blocked the road to prevent further accidents.
警方封锁了道路以防止进一步的事故。
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3. The construction workers had to block off a section of the road for safety reasons.
建筑工人为了安全原因不得不封锁一段道路。