中文幕亚洲精品乱码色偷偷亚_国产午夜性爽视频男人的天堂_欧美高潮流白浆喷水在线观看_亚洲夜色久一久二亚洲琪琪卡一卡二_暖暖亚洲一区二区三区AV无码

Highlights of 36th Greater Vancouver Regional Science Fair in Canada

Source: Xinhua| 2018-04-15 10:13:32|Editor: Lifang
Video PlayerClose

CANADA-VANCOUVER-SCIENCE FAIR

Students introduce their small wind power electric generator at the 36th Greater Vancouver Regional Science Fair in Vancouver, Canada, April 14, 2018. The fair is an annual science competition, of which the top projects will be selected to progress to the Canada-Wide Science Fair to be held in Ottawa in May 2018. (Xinhua/Liang Sen)

   Prev 1 2 3 4 5 6 7 8 Next  

KEY WORDS: Science Fair
EXPLORE XINHUANET
010020070750000000000000011100001371123971