单词：
单词： 相关文章
AS IT IS 2015-10-27 Malawi President Says He Is Fighting Corruption 穆塔里卡总统马拉维宣布对腐败开战 The leader of Malawi said this month that his administration is working to end corruption by ensuring accountability and preventing f
2015年VOA慢速英语(十一)月
pH - a measure of how acid or alkali a solution is. As the pH gets lower, the solution is more acid. At a pH of 7 the solution is neither acid nor alkali. pH is the inverse of the logarithm of the con
医务英语
This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Batteries of the future need to deliver more energy, and they need to be smaller. Researchers at MIT think they have developed a technology that can, a
Scientific American(四)月
Tornado warnings were issued in downtown Chicago yesterday because of the severe storm that forced baseball fans out of the stands at Wrigley Field. Cubs' fan Jerry Goldman was among those who found themselves looking for a safe place to wait out th
2008年NPR美国国家公共电台八月
By Tendai Maphosa London 23 April 2008 Rising prices are putting food beyond the reach of more people and affecting places where food insecurity has not been an issue. Tendai Maphosa reports for VOA from London that the World Food Program says that a
VOA常速英语2008年（四月）
By Cathy Majtenyi Kampala, Uganda 12 June 2007 Earlier this year, Uganda launched its Universal Secondary Education program to enable more students from low-income and rural families to get a high school education. Cathy Majtenyi files this report fo
2007年VOA标准英语（六月）