n.标语牌，海报，招贴，广告牌

原形：placard复数：placards

The protesters held up placards with slogans demanding justice.
抗议者举着写有要求公正标语的牌子。
Outside the conference hall, activists displayed placards advocating for climate action.
会议厅外，活动家们展示着呼吁采取气候行动的标语牌。
She wore a sandwich board placard advertising the grand opening of the store.
她穿着一块三明治式的广告牌，宣传商店的盛大开业。
The fans held up placards with the singer's name, showing their unwavering support.
粉丝们举着写有歌手名字的标语牌，展现出他们坚定不移的支持。
A placard on the door read "Closed for Renovations".
门上的一块牌子写着“因装修暂停营业”。
He carried a placard that read "Peace Now" in the peaceful protest march.
在和平抗议游行中，他拿着一块写有“现在要和平”的标语牌。
The restaurant had a placard in the window displaying its rating from the health department.
餐馆的窗户上挂着一块牌子，展示了卫生部门给它的评级。
Protestors marched down the street, each carrying a placard with a different message.
抗议者沿着街道行进，每个人手里都拿着一块写有不同信息的标语牌。
At the airport arrival gate, a man held a placard with my name on it for pickup.
在机场到达口，一名男子举着一块写有我名字的牌子来接我。
The museum exhibit was labeled with informative placards detailing the history of each artifact.
博物馆展览中的每件文物都配有关于其历史的详细说明牌。