名词
中文翻译：Unknown
同义词：
['barrier', 'obstacle']
例句：
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1.The barricade was designed to prevent people from entering the restricted area.
这个障碍物的设计是为了阻止人们进入限制区域。
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2.The police barricaded the entrance to the building to prevent looting.
警方封锁了大楼入口以防止抢劫。
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3.The soldiers were ordered to barricade the gates and defend the city.
士兵们被命令封锁大门并保卫城市。