bloc

n group of countries or parties unitedby a common interest （国家或政党的）集团: the Eastern/Western bloc 东欧[西方]集团.

blindness, blink, blinkered, blinkers, blinking, blip, bliss, blissful, blissfully, blister, blister pack, blisteringly, blithe, blithely, blithering, blitz, blizzard, bloated, bloater, blob, block, block and tackle, block diagram, block letter (also block capital), block vote (also card vote), block-buster, block-busting, blockade, blockage, blockhead, blockhouse, bloke, blond, blood, blood bank, blood count, blood feud, blood group (also blood type), blood orange, blood pressure,