亚洲综合中文字线观看看,中文欧美亚洲欧日韩一,2020年国产精品自线在拍,亚洲AⅤ日韩AV电影在线观看

      • 

      1. 

        <dfn id="lnb6s"><var id="lnb6s"></var></dfn>
          3. 


 


          




          



          

          



          

          

          

          
Students participate in social practice projects during summer vacation 

          

          
 Source: Xinhua| 2019-07-02 22:06:04|Editor:  ZX 

          

                
          


          

          

          

          
    

          Video PlayerClose
          

          

          

          #CHINA-SUMMER VACATION-SOCIAL PRACTICE (CN)
          

          Students classify books at Library of Handan, north China's Hebei Province, July 2, 2019. Students participate in various social practice projects during summer vacation nationwide. (Photo by Hao Qunying/Xinhua) 
          

          

          

          


             1 2 3 4 Next  
          

          

          

          
 

          

          

          
KEY WORDS: 

                
          

          



          


          

          


          

          

           EXPLORE XINHUANET 
          


          

          


                
          

 


          010020070750000000000000011100001381930401