blabbr.桶（=barrel）abbr.灾祸（=bale）abbr.黑（=black）abbr.蓝（=blue）abbr.块（=block）BL.abbr.文学学士（=bachelor of letters）abbr.提货单（bill of lading）Blox洛哌丁胺, 氯苯哌酰胺, 苯丁哌胺, 易蒙停, 腹泻啶[止泻药]