动词
中文翻译：解除封锁
同义词：
['open up', 'unhindered', 'free up']
例句：
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1.The road was blocked by the fallen tree.
路被倒下的树堵住了。
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2. The police unblocked the road after the accident.
事故发生后，警察疏通了道路。
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3. The company has been unblocking new channels to reach customers.
该公司一直在疏通新的渠道以接触客户。