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                v.实行封锁( blockade的过去式 ),阻塞,挡住... 
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                The river blockaded the spread of the forest fire.那条河阻止了森林大火的蔓延.They blockaded the Suez Canal in violation of international agreement.他们违反国际公约封锁了苏伊士运河.The path was blockaded by snow.道路被雪封阻了.... 
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                They blockaded the Suez Canal in violation of international agreement.他们违反国际公约封锁了苏伊士运河.The path was blockaded by snow.道路被雪封阻了.Truck drivers have blockaded roads to show their anger over new driving regulations...卡车司机通过阻塞...