标语牌用英语怎么说？

标语牌

• [经] placard

例句

• Big placards beating welcome slogans are posted along the street. 沿街排列着许多大的欢迎标语牌.
• The protesters sang songs and waved placards. 抗议者唱着歌，挥舞着标语牌。
• Party loyalists responded as they always do, waving flags and carrying placards. 党的忠诚支持者们的反应一如既往，他们挥舞着旗帜，高举着标语牌。

行业词典

• 建筑： sign post；