signboard consisting of two hinged boards that hang front and back from the shoulders of a walker and are used to display advertisements
例句
用作名词 (n.)
The names of the candidates will be put up on the college notice board. 候选人的名字将贴在学院的广告牌上。
People's Libration Army soldier walks past an advertisement board in Beijing for a German sports equipment manufacturer featuring Kobe Bryant. 一个人民解放军经过科比的广告牌,这是一家德国的体育设备厂的描绘。