单词：lights-out management
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A Abrine 相思豆碱 O-Acetyl-3,6-di-O-β-D-xylopy-rano- astragaloside O-乙烯 3,6-双氧-β-D- 吡喃木糖基绵毛黄芪甙 Acetylastragaloside 乙酰黄芪甙 N-Acetyl-D-Glucosamine N-乙酰氨基
医务英语
Time again for StoryCorps, traveling the country recording your stories. Last week, we heard remembrances of the Great Depression. Today, we revisit that time with sisters Evelyn Palmour and Doreene McCoy. They were just children when the Depression
2007年NPR美国国家公共电台
By Paula Wolfson Washington 01 July 2007 Russian President Vladimir Putin has arrived in the United States for talks with President George W. Bush aimed at easing tensions between their two countries. VOA's Paula Wolfson reports the meetings are taki
2007年VOA标准英语（七月）
President-elect Barack Obama's nominee for energy secretary, Nobel Prize-winning physicist Steven Chu, said if confirmed he will pursue policies to address climate change and reduce U.S. dependence on foreign oil. Energy Sec.-designate Steven Chu te
VOA标准英语2009年(一月)