Science is magic!🤯 This chemistry class was rewarded with an amazing flame test: watch the blue flame transform into a vibrant, mesmerizing aurora green!💙➡️💚 "Learning isn't everything, and exams ...
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Michael Alan Crook, president of International Committee for the Promotion of Chinese Industrial Cooperatives, has visited boarding schools in Xizang. He noted that students in these schools enjoy ...
主 讲 人：黄永刚, Achenbach Professor of Engineering, Northwestern University 个人简介： Yonggang Huang is the Achenbach Professor of Engineering at Northwestern University. He has published >700 journal papers, ...
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Established as the Irish Free State in 1922, Ireland officially became the sovereign state of Eire in 1937., 它于1922年被建为爱尔兰自由邦 ...
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