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-design test积木构图测验block mould process整体熔模铸造法blocking of thought思想阻滞block-in-course成层砌石块体block plaid blanket块形长方格毡block of glass wool玻璃棉板blocking layer cell阻挡层电池blocked gird keying栅截止键控blocked core-tube堵塞芯管blocking water loss堵漏