单词：eco activity
单词：eco activity 相关文章
This is Scientific America's Sixty-Second-Science. I am Steve Mirsky. Got a minute? Some interesting electrical activity in the clouds of ash drifting around Europe as a result of that Icelandic volcano. Models predicted that electrical charge should
Scientific American(五)月
[00:00.00]Lincoln as President [00:03.49]In 1861,Lincoln became the 16th president [00:08.22]of the United States. [00:09.72]In the same year,the Civil war in America began [00:13.68]In 1862 he announced the end of slavery. [00:18.27]In 1865 Lincoln
外研社新标准初中英语九年级
U.S. President George Bush says America's economy is facing a pivotal moment in a financial crisis that began with risky home mortgages now spreading throughout the financial system and eroding consumer confidence. VOA White House Correspondent Scot
VOA标准英语2008年（九月）
French Finance Minister Christine Lagarde is actively campaigning for the top job at the International Monetary Fund, planning visits to China and other nations in a bid to broaden her support internationally. Lagarde is expected to visit senior offi
英语新闻
2014年巴西世界杯的吉祥物已经确定为一只的三色犰狳(又称：铠鼠)。犰狳在巴西是濒危动物。此前，巴西世界杯组委会在其国内开展了为吉祥物征名的活动，总共170万人参与了此次活动并从三
英语新闻视频