名词
中文翻译：阻塞
同义词：
['blockage', 'obstruction']
例句：
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1. The road was blocked by a largetree.
路被一棵大树堵住了。
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2. Theconstruction work has caused significant obstructionsto traffic.
施工工作已经导致交通严重受阻。
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3. The river's flow is obstructed by rocks and sandbars.
河流的流动被岩石和沙洲所阻。