二元扩散系数

Satellite Navigation Systems

NB: This is not a word for word transcript Alice: Hello, I'm Alice. Stephen: And I'm Stephen. Alice: And this is 6 Minute English! This week were talking about sat navs. Stephen: Sat navs thats short for satellite navigation systems. Alice: Theyre th

发表于:2019-01-07 / 阅读(89) / 评论(0)

六分钟英语

VOA标准英语2013--Cleaning Up Nairobi's 'Takataka' Cheaply and Effectively

Cleaning Up Nairobi's 'Takataka' Cheaply and Effectively In the Kangemi suburb of Nairobi, residents carefully avoid the piles of trash that have become permanent features of the citys landscape. One social enterprise, Takataka Solutions, aims to cha

发表于:2019-01-14 / 阅读(44) / 评论(0)

VOA标准英语2013年(四月)

美国国家公共电台 NPR The Legacy Of Surfer And Filmmaker Bruce Brown

KELLY MCEVERS, HOST: Now we are going to remember the filmmaker who first showed us what it is like to set off in search of the perfect wave. (SOUNDBITE OF DOCUMENTARY, THE ENDLESS SUMMER) BRUCE BROWN: Many surfers ride summer and winter, but the ult

发表于:2019-01-16 / 阅读(36) / 评论(0)

2017年NPR美国国家公共电台12月

英语听力：VOA双语新闻—美国年轻人就业前景惨淡

The labor market in the United States is starting to show signs of recovery, but for many young workers the recovery is not happening fast enough. Although the national unemployment rate is now the lowest it has been in two years, one study suggests

发表于:2019-01-17 / 阅读(90) / 评论(0)

VOA双语新闻 2011年5月

英语歌曲:奔向新生的太阳 Brand New Sun

奔向新生的太阳 Brand New Sun 前Grandaddy乐队灵魂人物Jason Lytle首张个人专辑《 Your Truly, The Commuter》，清新的封面清新的节奏下面是情感的暗涌。 Here, Grab a broken branch With a sunburnt hand In a washed up

发表于:2019-01-19 / 阅读(51) / 评论(0)

好听的英文歌曲

VOA常速英语2007年-UN Study Finds Nairobi Dumpsite Endangers Child

By Cathy Majtenyi Nairobi, Kenya 06 December 2007 Kenya's capital, Nairobi, is home to one of Africa's largest dumpsites. A recent United Nations study found that nearly half of the children surveyed who live near the dumpsite suffer from serious med

发表于:2019-02-07 / 阅读(89) / 评论(0)

VOA常速英语2007年（十二月）

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atrioventricular band