国产一级免费电影,国产自产在线视频一区,国产一区亚洲,久久国产精品视频,日本美女天天操b,九色激情,成年轻人网站色直接看

Students take part in robot competition in Hunan

Source: Xinhua| 2019-04-21 15:27:19|Editor: Liangyu
Video PlayerClose

#CHINA-HUNAN-ADOLESCENT ROBOTICS COMPETITION (CN)

Students take part in a robot competition held in Longhui County, Shaoyang City of central China's Hunan Province, April 20, 2019. More than 1,000 primary, middle school and high school students took part in the competition. (Xinhua/Zeng Yong)

   Prev 1 2 3 4 5 6  

KEY WORDS:
EXPLORE XINHUANET
010020070750000000000000011100001379953281