blockers阻断剂blockn.街区；木块；石块；大楼；一组；阻塞(物)；障碍(物)v.阻塞block Hankel matrix双酰胺blocking nucleotide阻断核苷酸block-grid keying栅截止键控block jacobi method分块雅可比法block determination分程序确定block device driver块设备驱动程序block cipher system分组密码体制block cast cylinder整体铸造的缸体block power station单岸式电站block index address块索引地址