柯林斯词典placard /ˈplækɑːd/ (placards) 1. N-COUNT A placard is a large notice that is carried in a march or displayed in a public place. 標語牌; 佈告 The protesters sang songs and waved placards. 抗議者們唱著歌竝揮舞標語牌。 返回 placarding