blocke嵌段blockn.街区；木块；石块；大楼；一组；阻塞(物)；障碍(物)v.阻塞blocked assets[经] 冻结资产blocking drill防守练习block the exit封锁出口block bridging搁栅横撑block repeater闭塞中继器block mountain断块山blocked record块式记录,成块记录block sequence分段多层焊,叠置次序block teaching模块化教学block encoding分块编码,分组编码