动词
中文翻译：阻碍
同义词：
['block', 'hinder', 'impede']
例句：
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1.The road was obstructed by a large tree.
一条大路被一棵大树挡住了。
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2.The construction workers were obstructed from completing the project on time.
建筑工人被延误了完成项目的时间。
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3. The traffic police tried to obstruct the protesters from entering the city center.
交通警察试图阻止抗议者进入市中心。