placard

n. 招贴,布告

The placards condemned the government's action.

那些标语牌上写著谴责政府措施的词句.

A large, usually printed placard, bill, or announcement, often illustrated, that is posted to advertise or publicize something.

海报通常印刷而成的大布告、招贴或公告，常附有插图，张贴以用来宣传或公布某事