[] an organized action to stop people or goods from leaving or entering a particular place, often as a form of protest封锁◆Truck drivers have begun a blockade of oil depots to protest against high fuel prices.卡车司机已经开始封锁油库，以抗议燃料价格上涨。⨁to impose / lift a blockade实行／解除封锁a barrier that stops people or vehicles entering or leaving a place障碍物；屏障