单词：
单词： 相关文章
VOICE ONE: This is SCIENCE IN THE NEWS in VOA Special English. I'm Bob Doughty. VOICE TWO: And I'm Faith Lapidus. This week, we will tell about one explanation for many trees dying in the western United States. We will tell about a project to make e
VOA慢速英语2009年（二）月
Oftentimes when we cry, we feel a lump in the throat. Does a lump actually form, or is there some other explanation? 很多时候，当我们哭泣时，我们会感到哽咽。难道是真的在喉咙中形成了块状物？或是有其它的解释？
初学者听力文摘精选
Goldman Sachs is a global investment banking and securities firm. It also deals in investment management and other financial services. Most of its clients are institutions, governments, pension funds and very wealthy people. It was founded in 1869 by
各大品牌英文介绍
This is Scientific American's 60-second Science, I'm Steve Mirsky. Got a minute? Back on January 15th, US Airways Flight 1549 made that amazing water landing in the Hudson after both engines were taken out by Canada geese, which can weigh eight pound
Scientific American(六)月
VOICE ONE: Im Steve Ember. VOICE TWO: And Im Faith Lapidus with EXPLORATIONS in VOA Special English. This week, we tell about a growing threat to airplanes around the world. And we hear about objects in space that are threatening satellites and the
VOA慢速英语2009年（四）月
By Suzanne Presto Washington, D.C. 19 September 2006 watch Bus Tour report Five young Americans spent two months traveling across the United States recently on a two-month bus journey. But this was not a romantic cross-country trip of self-discovery
2006年VOA标准英语（九月）