单词：anion-semipermeable membrance
单词：anion-semipermeable membrance 相关文章
Though it was a bright, hot dawn outside, there were no windows in this part of the castle. Van Ritchten had to provide his own light in the form of a small lantern, which he gripped with a white- 1)
疯狂英语2002年
图片1 图片2 图片3 图片4 图片5
20本英文音韵童谣小书（文本+音频）
By Amanda Cassandra New York 31 August 2006 Construction on a memorial and museum at the site of the World Trade Center is under way in New York, as the fifth anniversary of the September 11, 2001 terrorist attacks approaches. ----- World Trade Cent
2006年VOA标准英语（八月）
STEVE EMBER: Welcome to THIS IS AMERICA in VOA Special English. I'm Steve Ember. FAITH LAPIDUS: And I'm Faith Lapidus. The Rock and Roll Hall of Fame welcomed new members into its highly respected club last week. The ceremony took place March fourtee
2011年VOA慢速英语(三)月
今天要讲的三个习惯用语都是和零碎的小东西有关。他们之间的区别只是使用的场合不同，或者是来源不一，用法相近。现在我们就分别为各位讲解这三个习惯用语。他们是：odds and ends, knic
美国习惯用语
Discordance about a secretary A: Hello, Mr. Kramer. Could you spare a minute? B: Thats about all I can spare, Karen. What do you need? A: I need to talk to you about that new secretary youve hired. I think Im going to have some problems working with
办公室英语口语
Companionship of books A man may usually be known by the books he reads as well as by the company he keeps; for there is a companionship of books as well as of men; and one should always live in the best company, whether it be of books or of men. A
英语名著名段背诵精华
图片1 In this episode Maura and Ricardo are dreaming about vacations. They discuss their dream vacations and share some of the memories of vacations when they were kids. They also talk about different kinds of vacations that are popular for Canadia
英语博客-北美风情
AMERICAN MOSAIC - National Women's Hall of Fame Adds New Members, Including Hillary Clinton By Shelley Gollust, Katherine Gypson and Jerilyn Watson Broadcast: Friday, December 02, 2005 (MUSIC) HOST: W
American Mosaic
By Melinda Smith Washington, DC 12 July 2006 watch Sleep and Memory report How many hours of sleep do you get every night? If you're like most of us, the answer is not enough. Scientists have found that getting enough rest will help you remember mor
2006年VOA标准英语（七月）
By Robert Raffaele Washington 10 September 2007 As the sixth anniversary of the September 11th terrorist attacks on the United States approaches, a memorial is rising on the grounds of the Pentagon near Washington, D.C. Family members of those aboard
2007年VOA标准英语（九月）
ANNOUNCER: EXPLORATIONS, a program in Special English on the Voice of America. Today Shirley Griffith and Frank Oliver tell about a famous World War Two pilot, Jimmy Doolittle. (SOUND) VOICE ONE: Jimmy Doolittle He was a scientist, an airplane engin
VOA慢速英语2008年（九）月
This is the VOA Special English Education Report. Here is a question for a college admissions test. Who was Stanley Kaplan? Did he A) start a test preparation company, B) start the test preparation industry, or C) die last month at age ninety? The c
VOA慢速英语2009年（九）月
HOST: Welcome to AMERICAN MOSAIC in VOA Special English. (MUSIC) I'm Doug Johnson. This week on our program: A competition to find a spokesmodel for Mother Earth And a question from Russia about Kurt Cobain and the band that he led, Nirvana. But fir
VOA慢速英语2009年（十一）月
By Carolyn Weaver New York City 25 April 2007 Nigerian writer Chimamanda Ngozi Adichie Chimamanda Ngozi Adichie's acclaimed second novel, Half of a Yellow Sun , tells the story of a devastating moment in Nigerian history, the short existence of the b
2007年VOA标准英语（四月）
Dignitaries leave the Hiroshima Peace Memorial Park after the 65th anniversary observance of the world's first atomic bombing in Hiroshima. US ambassador to Japan John Roos was among the officials attending along with diplomats from Britain and Franc
VOA标准英语2010年(八)月
Black Muslim leader Malcolm X (El-Hajj Malik El-Shabazz), 26 March 1964, waiting for a press conference at an unknown location One of the foremost, if controversial, figures of the civil rights movement in the United States was Malcolm X. He, himself
VOA标准英语2010年(二月)
Visitors Admire Martin Luther King Memorial At the age of 34, Dr. Martin Luther King, Jr. captivated a nation with his I have a Dream speech. At 35, he became the youngest person to receive the Nobel Peace Prize. Four years later, he was assassinated
VOA标准英语2011年(十月)
By Jordan Davis Dakar 10 October 2006 This year the French-speaking world has celebrated the life of late Senegalese Poet President Leopold Sedar Senghor. He is widely celebrated for his influential writing about panafricanism and African identity b
2006年VOA标准英语（十月）
By Alex Villarreal Washington, DC 01 February 2008 Medical researchers in Canada say a brain stimulation procedure used to treat people with Parkinson's and other diseases could help restore the memory of dementia patients. The researchers stumbled u
VOA常速英语2008年（二月）