释义：二级公路； 英英释义： B road [ brɔ:d ]n.slang term for a woman同义词：broadadj.having great (or a certain) extent from one side to the other同义词：widebroadbroad in scope or content同义词：across-the-boardall-embracingall-encompassingall-inclusiveblanket(a)broadencompassi