单词:perfect combustion catalyzer
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This is Scientific American's 60-Second Science. I'm Karen Hopkin, this'll just take a minute. Next time you are shoveling snow off your walk, don't blame the weatherman, blame bacteria. Because an international team of scientists has found that micr
This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. On March 11th, Interior Secretary Ken Salazar called for a moonshot for energy independence. Hes set up a task force to look into the large-scale product
Message from Ms Irina Bokova, Director-General of UNESCO, on the Occasion of World Environment Day 联合国教科文组织总干事伊琳娜博科娃女士世界环境日致辞 Seven Billion Dreams. One Planet. Consume with Care. 七十亿个梦想、
NAIROBI, Oct. 28 (Xinhua) -- The 2013 global South-South development expo was opened in the Kenyan capital Nairobi on Monday with UN Deputy Secretary General Jan Eliasson expecting emerging nations to contribute more to a peaceful and prosperous worl
近日刚开始背GRE单词,闲来无事,随便总结总结,看到这些单词感觉很放松,没觉得它们是GRE单词,特与大家分享,希望大家喜欢!! 夏利(汽车)Charade (charade n.看手势猜字谜游戏)--bump
Emily Pilloton was set on her path in life early on, by her entrepreneur father and a business-oriented mother who stressed the importance of helping others. I somehow ended up as a sort of perfect cross-section of the two of them, she says, wanting