久久电影免费精品,亚洲日韩在线观看,精品大全在线看,a√天堂98国产在线

  • 

    <strong id="opm3m"><u id="opm3m"></u></strong>
    • 

    


 


    




    



    

    



    

    

    

    
Science, technology festival held in central China's Hubei 

    

    
 Source: Xinhua| 2018-04-20 10:31:36|Editor:  Chengcheng 

    

          
    

    

    

    

    

    
    

    Video PlayerClose
    

    

    

    #CHINA-HUBEI-BAOKANG-SCHOOL-SCIENCE AND TECHNOLOGY (CN)
    

    A teacher explains how sci-tech gadgets work to students during a science and technology festival held at Youfangjie Primary School in Chengguan Town in Baokang County, central China's Hubei Province, April 19, 2018. (Xinhua/Yang Tao) 
    

    

    

    


       1 2 Next  
    

    

    

    
 

    

    

    
KEY WORDS: science

          
    

    



    


    

    


    

    

     EXPLORE XINHUANET 
    


    

    


          
    

 


    010020070750000000000000011100001371245111