blockedadj.堵塞的；被封锁的；<俚>在毒品作用下的动词block的过去式和过去分词blockn.街区；木块；石块；大楼；一组；阻塞(物)；障碍(物)v.阻塞block collision块体拼合block soldering分段焊接block dimension外形尺度blocking hapten封闭性半抗原, 遮断性半抗原block the entry阻塞入口block delimiter块定界符block titration方阵法滴定block buffering块缓冲block interface块接口block-balancen.断流平衡