Children greet 2018 National Science Day across China

Source: Xinhua| 2018-09-16 08:19:40|Editor: ZX
Video PlayerClose

#CHINA-NATIONAL SCIENCE DAY-ACTIVITIES (CN)

A child learns mathematical knowledge through an interactive device at Science and Technology Museum in Binzhou, east China's Shandong Province, Sept. 15, 2018. Various activities are scheduled to be held from Sept. 15 to Sept. 21 across China to greet the 2018 National Science Day held each year. (Xinhua/Chen Bin)

   Prev 1 2 3 4 5 6 7 Next  

KEY WORDS: National Science Day
EXPLORE XINHUANET
010020070750000000000000011100001374706451
国产无码在线观看免费在线,37pao国产成视频,日韩一区二区视频在线,国产国产人免费人成免费视频麻豆
狠狠综合久久久久综合网小蛇 | 亚洲天堂2021AV在线 | 亚洲日韩欧在线观看 | 欧美九九久久精品黄 | 在线视频免播放器a | 亚洲国产精品一区第二页 |