blockern.阻挡之物或人；阻断剂；拦网队员blockn.街区；木块；石块；大楼；一组；阻塞(物)；障碍(物)v.阻塞block boundary区界blocking relay闭锁继电器block planning建筑用地规划block entrance分程序入口block stacking化区储存同类货物block progress阻碍进步block of sight隐视block offering成批出价的交易方式block the gate堵住大门Block division区域划分

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