40th annual Physics Olympics held in Vancouver

Source: Xinhua| 2018-03-11 14:37:59|Editor: Yurou
Video PlayerClose

CANADA-VANCOUVER-UBC-PHYSICS OLYMPICS

Students participate in the 40th annual Physics Olympics held at University of British Columbia in Vancouver, Canada, March 10, 2018. (Xinhua/Liang Sen)

   Prev 1 2 3 4 5 6 Next  

KEY WORDS: Physics Olympics
EXPLORE XINHUANET
010020070750000000000000011100001370313591
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
亚洲视频i在线 | 亚洲欧美中文字幕图片区 | 亚洲美女激情在线播放 | 亚洲日韩乱码中文字幕综合 | 亚洲色在线影院 | 伊人久久大杳蕉夜夜揉夜夜爽 |