BBabbr.滚珠轴承(=ball bearing)abbr.升压电池组(=booster battery)abbr.预算局(=Budget Bureau)abbr.蓝皮书(=blue book)Bbioleaehing生物浸出BBa Duan Jin八段锦Bbenzoic acid苯甲酸Bbrucelliosis布鲁氏菌病BBD ball mill双进双出磨煤机BBQ Spare Ribs碳烧排骨bbrittlee hair脆发bbtittlee nail脆甲BBQ Chicken Leg烧烤鸡腿Bbreast feeding母乳喂养