词典释义：
释义
n.
an improvised barrier erected across a street or other thorough fare to prevent or delay the movement of opposing forces
路障，街垒。
v.
block or defend with such a barrier
设置路障于；阻塞
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they barricaded the building and occupied it all night .他们封锁了那幢大楼并将其整夜占领。
shut (oneself or someone) into a place by blocking all the entrances
把（自己或他人）封锁在（某地）
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detainees who barricaded themselves into their dormitory .把自己反锁在寝室里的被拘留者。
短语
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man （或go to ）the barricades strongly protest against a government or other institution 强烈抗议政府（或其他机构）
词源
"late 16th cent.: from French, from