[ 复数 placards 第三人称单数 placards 现在分词 placarding 过去式 placarded 过去分词 placarded ]
reflectve placard 反光性标志牌 ; 反光性标记牌
retroreflective placard 后向反光性标志牌
emergency exit placard 应急出口标牌
Tyre Placard 轮胎标牌
servicing placard 使用标牌
Le Placard 下岗风波 ; 挛工游戏
structural placard 结构标牌
Signage and placard 引导标志
N-COUNT A placard is a large notice that is carried in a march or displayed in a public place. 标语牌; 布告
The protesters sang songs and waved placards.
抗议者们唱着歌并挥舞标语牌。
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