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)
bleck黑色物质,黑鞋油,黑润滑膏