互变异构体

PBS高端访谈:芝加哥罢工第二天教师工会对决财政拮据的学校

JEFFREY BROWN: And we head back to Chicago and the national spotlight focused on a teachers strike in the nation's third largest school system. Chicago teachers walked the picket lines for a second day as contract talks resumed. The union spokeswoman

发表于:2018-12-05 / 阅读(158) / 评论(0)

PBS访谈教育系列

Paul Romer :全新见解之特别市

被困在不健全的制度下，一个国家怎么可能脱贫呢？经济学家Paul Romer提出全新见解：特别市，由多国联合政府管理的、城市规模的管理区域。(关塔那摩湾会变成下一个香港么？)

发表于:2018-12-09 / 阅读(115) / 评论(0)

TED公开课:贫穷至进步

2007年VOA标准英语-Mali Pledges Assistance to Taureg Minority

By Selah Hennessy Dakar 24 September 2007 As part of a peace deal with militant ethnic Tuaregs in northern Mali, the country's government has pledged $2 million towards development. Analysts say long-awaited diplomacy and development aid is crucial i

发表于:2019-01-13 / 阅读(232) / 评论(0)

2007年VOA标准英语（九月）

VOA标准英语2014--Big Apple Weighs Fees on Single-use Plastic Bags

Big Apple Weighs Fees on Single-use Plastic Bags NEW YORK The world consumes hundreds of billions of single-use plastic bags each year. Environmental activists say they are difficult to recycle, wasteful and damage the biosphere. They want to ban pla

发表于:2019-01-14 / 阅读(164) / 评论(0)

VOA标准英语2014年(四月)

美国国家公共电台 NPR An Americana Hymnal For The Doomsday Cult Of 'Far Cry 5'

(SOUNDBITE OF DAN ROMER'S NOW THAT THIS OLD WORLD IS ENDING) ARI SHAPIRO, HOST: The award-winning composer Dan Romer is best known for scoring TV shows and films like Beasts Of The Southern Wild. Recently his career took a turn from movies to video g

发表于:2019-01-16 / 阅读(145) / 评论(0)

2018年NPR美国国家公共电台3月

VOA双语新闻：美国失业率继续上升

U.S. unemployment continues to rise, with a larger-than-expected number of job cuts in June. The unemployment rate now stands at 9.5 percent, the highest in 26 years. 美国的失业率持续上升。6月份裁员情况比预期的更加糟糕，失业

发表于:2019-01-19 / 阅读(118) / 评论(0)

VOA双语新闻 2009年7月

VOA标准英语2009年-More Job Losses Cloud US Employment Pictur

U.S. unemployment continues to rise, with a larger-than-expected number of job cuts in June. The unemployment rate now stands at 9.5 percent, the highest in 26 years. Unemployed worker (L) talks with Employment Guide staffer at job fair in San Jose,

发表于:2019-02-12 / 阅读(137) / 评论(0)

VOA标准英语2009年(七月)

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calculating work space

central venous sinus anastomosis

chebule

cocous

connaturalized