14 环西太平洋的12个国家遭受沙尘暴侵袭 DATE=4-11-01 TITLE=SCIENCE REPORT - Asian Dust Storms BYLINE=George Grow (Start at 59

发表于:2018-12-07 / 阅读(33) / 评论(0) 分类 自然探索

By Kari Barber Dakar 21 March 2008 In many African countries, few people have access to computers and the Internet. Experts say this is hindering development and preventing students from being able to compete for jobs. At a conference in Dakar this w

发表于:2019-01-07 / 阅读(83) / 评论(0) 分类 VOA标准英语2008年(三月)

经典歌曲-风中尘埃dust in the wind - kansas I close my eyes only foe a moment and the moment's gone all my dream pass before my eyes curiosity dust in the wind all we are is dust in the wind same old songs just drop of water in an endless sea

发表于:2019-01-10 / 阅读(60) / 评论(0) 分类 经典英文歌曲

AS IT IS 2015-03-15 Saharan Dust Feeds Amazon Rainforest 撒哈拉沙漠的尘土吹到亚马逊雨林 Large clouds of dust blowing off the Sahara desert can easily be seen from space. Joseph Prospero is with the University of Miami in the United Sta

发表于:2019-01-12 / 阅读(33) / 评论(0) 分类 2015年VOA慢速英语(三)月

Africa Kicks-up A Lot of Dust 非洲大陆的灰尘飘向美国 Bits and pieces of the African continent are falling on the United States and surrounding regions much of the year. Scientists say large amounts of African dust may be having major effec

发表于:2019-02-01 / 阅读(31) / 评论(0) 分类 VOA常速英语2013年(九月)

New research suggests agriculture has greatly increased the amount of dust blowing off of West Africa, the world's largest source of atmospheric dust, and may have been one factor driving the decrease in rainfall in the region over the past several c

发表于:2019-02-07 / 阅读(44) / 评论(0) 分类 VOA标准英语2010年(七)月