单词：butanone acid
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It's crucial to realize that the rate of progress doesn't matter, because any progress is enough to get us into the end zone. 我们要知道这个进程的速度并不重要，因为任何进程都足够让我们走进死胡同。 We don't need Moor
TED演讲科技篇
SHANGHAI, Jan. 7 (Xinhua) -- Europe's largest carmaker, Volkswagen AG（大众汽车公司）, said Friday that it had sold 37 percent more vehicles on the Chinese mainland and Hong Kong in 2010, compared to sales in 2009. With 1.92 million vehicles
英语新闻
Economics brief: six big ideas. 经济概要：六大经济思想。 Game theory: Prison breakthrough 博弈论：越狱 The fifth of our series on seminal economic ideas looks at the Nash equilibrium. 六大经济思想之五纳什均衡。 JOHN NAS
经济学人财经系列
WILLIAM BRANGHAM: The Islamic State in Iraq and Syria, known as ISIS, has claimed credit for Friday's terrorist attack in Paris. And the French government also blames the Islamic militant group. Peter Neumann studies and teaches terrorism and radical
PBS访谈社会系列
JUDY WOODRUFF: The New York Times reported late today that one of the brothers being hunted for the Paris attack received training at an al-Qaida training camp in Yemen. This is according to a senior American official. The brothers, who were born and
PBS访谈社会系列
HARI SREENIVASAN: Anis Amri, the man suspected of carrying out Monday's attack on a Berlin Christmas market, was well known to German authorities. He was under surveillance for six months this year and was slated for deportation. But his home country
PBS访谈社会系列