挂在身上的广告牌
在线英汉词典

sandwich board的短语、例句：

sandwich board either of two connected boards,usu carrying advertisements and hung over the shoulders of a person (a `sandwich man) who walks about the streets to display them 夹板广告牌（游街宣传员胸前背後挂的广告牌, 这种宣传员称 sandwich man 夹板广告员）.