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n.堵塞，堵塞物；[医]（心理）阻滞；封锁（状态）；妨碍 变形： 复数：blockages 英英释义： blockage[ 'blɔkidʒ ]n.the state or condition of being obstructed同义词：obstructionan obstruction in a pipe or tube"we had to call a plumber to clear out the blockage in the drainpipe"同义词：blockclosureocclusi
