This is Scientific Americans 60-Second Science. Im Karen Hopkin, this will just take a minute. Anyone whos ever cut up an onion knows that some smells can actually be painful. Now, researchers from Baltimore and Denver are closer to understanding why

发表于:2019-01-08 / 阅读(80) / 评论(0) 分类 Scientific American(三)月

Taleban,Khaksar,Pakistani,By Benjamin Sand Islamabad 15 January 2006 Khaksar holds half of a five rupee Pakistani note he gave to a US official in April 1999 seeking assistance to defeat Taliban (File photo - June 9, 2002) The

发表于:2019-01-11 / 阅读(99) / 评论(0) 分类 2006年VOA标准英语(一月)

By Scott Stearns White House 23 June 2006 Iran says it will not stop enriching uranium as a precondition for potential talks with the United States and European allies. President Bush wants Iran to respond to an offer from the international communit

发表于:2019-01-13 / 阅读(114) / 评论(0) 分类 2006年VOA标准英语(六月)

BBC Learning English Weekender Humour part 2 men women Jackie: Hello, I'm Jackie Dalton, this is BBC Learning English dot com. Last week, we looked at humour and why it's important. It can be used to help you cope with an embarrassing situation, or

发表于:2019-01-16 / 阅读(125) / 评论(0) 分类 Weekender

By Gary Thomas Washington 15 November 2006 The head of the U.S. Central Intelligence Agency says it will take many years and billions of dollars to stabilize Afghanistan. And another official, the top U.S. military intelligence officer, adds that wh

发表于:2019-01-31 / 阅读(71) / 评论(0) 分类 2006年VOA标准英语(十一月)

Indonesian Aviation officials say the Trigana Air flight lost contact with ground control at 2:55 PM local time on Sunday as it flew from the regional capital Jayapura to the town of Oksibil in Papua, in the easterm part of Indonesia. Director Genera

发表于:2019-03-04 / 阅读(91) / 评论(0) 分类 2015CRI中国国际广播电台