late 15c., "formal document authenticated by an affixed seal," from Middle French placquard "official document with a large, flat seal," also "plate of armor," from Old French plaquier "to lay on, cover up, plaster over," from Middle Dutch placken "to patch (a garment), to plaster," related to Middle High German placke "patch, stain," German Placken "spot, patch." Meaning "poster" first recorded 1550s in English; this sense is in Middle French from 15c.
例文
1. A long placard bore the names of all the new recruits.
長い1枚の布告には新兵全員の名前が書かれている。
2.If you 'll reverse the placard you 'll see what I mean.
そのポスターを裏返したら、あなたは私の意味を知っています。
3.A placard was posted up without any signature,accusing a number of people by name.
匿名リストを投稿し、多くの人を指名告訴した人がいる。
4.For example:R 2 service door escape slide operation placad is lifting.
右2番サービスゲート脱出用滑り台操作標識が浮き上がっている。
5.Suitable for fastening all kinds of hook and placard .