动词
中文翻译：阻挡
同义词：
['block', 'prevent', 'stop']
例句：
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1. The car was blocked by a large tree.
汽车被一棵大树挡住了。
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2. We need to block the door before we go in.
我们需要在进去之前把门堵住。
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3. The traffic police blocked the road to control the flow of vehicles.
交通警察封锁了道路以控制车辆流动。