blackboard [ˈblækbɔ:rd]

例句:

• It's small and unpretentious, with a blackboard menu.
  来自WSJ
• Why do fingernails on a blackboard make us cringe?
  来自BBC
• Her point is duly noted on the blackboard.
  来自BBC
• There was a blackboard with seven names chalked on it.
  黑板上用粉笔写着7个人名。
  
• Teaching off a blackboard is boring, and undoubtedly turns people off.
  照本宣科枯燥乏味，无疑会使人们丧失学习兴趣。
  
• With a stick of chalk he wrote her order on a blackboard.
  他用一截粉笔将她的指示写在黑板上。
  
• All the pictures were drawn on the blackboard.
  所有的画都画在了黑板上。
  来自《权威词典》
• They bought two blackboards.
  他们买了两块黑板。
  来自《权威词典》