bailey

n 1 outer wall of a castle （城堡的）郭. 2 courtyard enclosed by this wall （城堡外郭所围绕的）堡场.

badness, baffle, bafflement, baffling, BAFTA, bag, bagatelle, bagel, baggage, baggage car, baggage room, baggily, bagginess, baggy, bagpipes, bags, bah, bail, bail (also bale), bail / beIl; bel/, Bailey bridge, bailiff, bairn, bait, baize, bake, bakelite, baker, bakery, baking-hot, baking-powder, baksheesh, balaclava, balalaika, balance, balance of payments, balance of power, balance of trade, balance sheet, balanced,