placards

例句:

• Party loyalists responded as they always do, waving flags and carrying placards.
  党的忠诚支持者们的反应一如既往，他们挥舞着旗帜，高举着标语牌。
  
• They were carrying placards and banners demanding that he resign.
  人们手持标语牌和横幅，要求他下台。
  
• The protesters sang songs and waved placards.
  抗议者唱着歌，挥舞着标语牌。
  
• Her husband read the placards pasted on the brick.
  来自V. Woolf
• Protesters are beginning to hold placards with specific demands.
  来自VOA
• Some of the placards were signed La Familia.
  来自NEWYORKER