This book stinks! is really a bad review. But even a classic work can start to smell when it gets old enough. Now chemists have developed a technique that identifies what kind of degradation process an old book or historical document is going through

发表于:2019-01-08 / 阅读(52) / 评论(0) 分类 Scientific American(十一)月

Residents of Nigeria's city of Jos say attacks are continuing for a fourth day in parts of the state previously unaffected despite the imposition of a 24-hour curfew and the deployment of soldiers. Incidents of violence are still being reported in th

发表于:2019-01-13 / 阅读(45) / 评论(0) 分类 VOA标准英语2010年(一月)

今天我们要学的词是volatile。 Volatile, 不稳定的,动荡的。 Wall Street ended a volatile week of trading, 华尔街股票交易结束了动荡的一周。 With Europe's debt crisis and America's debt rating downgraded, global stock m

发表于:2019-01-16 / 阅读(44) / 评论(0) 分类 英语单词荟萃

European stock markets were volatile Monday despite the European Central Bank saying it intended to buy up government debt. European Commission spokesperson Ollie Bailly said Monday that the measures taken by the European Central Bank should calm inv

发表于:2019-01-16 / 阅读(46) / 评论(0) 分类 英语新闻

Financial markets remain under immense selling pressure as the Dow Jones Industrials fell Thursday by another seven percent, or 675 points, to a five year low of 8,579. VOA's Barry Wood has more. Traders David O'Day, center, and Steve Schnibbe, righ

发表于:2019-01-16 / 阅读(42) / 评论(0) 分类 VOA标准英语2008年(十月)

NEW YORK, Aug. 31 (Xinhua) -- Wall Street closed moderately higher on Wednesday, ending a volatile August as investors hope that the Federal Reserve will add more liquidity to the market. On the economic front, ADP employment report showed that priva

发表于:2019-02-06 / 阅读(39) / 评论(0) 分类 英语新闻