blank cartridge

cartridge that contains powder but no bullet （有弹药而无弹头的）空弹, 空包弹.

blackout, blackshirt, blacksmith, blackthorn, bladder, blade, blaeberry, blah, blame, blame for, blame...for, blame...on, blameless, blanch, blancmange, bland, blandishment, blandly, blandness, blank, blank cheque, blank verse, blanket, blankly, blankness, blare, blarney, blase, blaspheme, blasphemer, blasphemous, blasphemously, blasphemy, blast, blast off, blast-furnace, blast-off, blasted, blasting, blatancy,