单词：dichlorofluorothiocarbanilide
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There has been a settlement here since about 500 B.C., but Rothenburg didn't really come into its own until the Holy Roman Emperor Rudolf the First, chartered it as a free imperial city in 1274. Rothe
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D Dahurian Rhododendron Leaf P.E 满山红提取物 Daidzein 大豆甙元 Daidzin 大豆甙 Dandelion P.E 蒲公英提取物 Daphnetin 瑞香素 Daphnin 瑞香甙 Daucosterol 胡萝卜甙 Dauricine 蝙蝠
医务英语
President Barack Obama says America's economy is in crisis but can be repaired. America's 44th president struck a determined, but pragmatic tone, on economic matters in his inaugural address. President Barack Obama delivers his inaugural address at
VOA标准英语2009年(一月)
Obama Calls for Action on Gun Violence Gunfire erupted on December 14 at Sandy Hook Elementary School, where a heavily armed young man shot and killed 20 children and several school administrators. The entire nation recoiled in grief and horror. Days
VOA标准英语2013年(一月)
The U.S. housing industry, where experts believe the economic crisis began, is the target of President Barack Obama's latest initiative to strengthen the economy. Mr. Obama has unveiled a $75 billion plan to prevent as many as nine million Americans
VOA标准英语2009年(二月)
President Barack Obama has now reached the halfway mark in his first 100 days in office, a traditional benchmark when new presidents are evaluated on their progress. Mr. Obama has laid out an ambitious agenda that has focused on reviving the weak U.
VOA标准英语2009年(三月)