欧美精品手机一级在线播放,中文字幕在线欧美日韩,欧美精品中文字幕亚洲专区,国产免费观看网站

  • 

    
<mark id="hrvb1"><strong id="hrvb1"></strong></mark>
  • <td id="hrvb1"></td>
    


    
    
    
        
        
        
    
    

    

    
    
    
    
        
    
            
            
    blackboard是可數名詞嗎
    
            
            
    回答
    
            
    
                
                瑞文問答
                
    2024-05-22
            
    
            
    
                可數。blackboard意思是黑板。如：If you write on the blackboard, rub it off at the end of the lesson. 如果你在黑板上寫字，下課時要擦掉。
            
    
            
            
    擴展資料
    
            
    　　blackboard用法例句
    　　1、There was a blackboard with seven names chalked on it.
    　　黑板上用粉筆寫著7個人名。
    　　2、Teaching off a blackboard is boring, and undoubtedly turns people off.
    　　照本宣科枯燥乏味，無疑會使人們喪失學習興趣。
    　　3、With a stick of chalk he wrote her order on a blackboard.
    　　他用一截粉筆將她的指示寫在黑板上。