obstruct
definitions
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verb
to block or hinder the way or progress of somethingzh: 阻塞;阻碍
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verb
to fill or clog a passage or openingzh: 堵塞;填塞
examples
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The debris obstructed the road.
碎片阻塞了道路。
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Mucus obstructed the airway.
黏液堵塞了气道。