blocke嵌段blockn.街区；木块；石块；大楼；一组；阻塞(物)；障碍(物)v.阻塞blocked joint分段接头block circuit闭塞电路block message块信息block slipway组块滑道block traffic阻塞交通blocking sign暗号blocking area阻击地区blocking gear粗型锻传动机构,粗模锻传动机构block cutting块体切割block element块体单元