Students participate in science popularization event at park in China's Jilin

Source: Xinhua| 2019-08-07 19:11:41|Editor: mingmei
Video PlayerClose

CHINA-JILIN-CHANGCHUN-SCIENCE POPULARIZATION EVENT (CN)

Students participate in a science popularization event under the theme of gardening science in Changchun Park in Changchun, capital of northeast China's Jilin Province, Aug. 7, 2019. (Xinhua/Lin Hong)

   Prev 1 2 3 4 Next  

KEY WORDS:
EXPLORE XINHUANET
010020070750000000000000011100001382910971
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
亚洲人成aⅴ在线播放橙子 中文AV高清不卡在线 | 一级a一级a爱片免费久久 | 日本香蕉青青妞视频 | 亚洲欧美日韩中文在线不卡网 | 久久一日本道色综合久久不 | 亚洲成a人片在线观看网 |