单词:pleomorph (polymorph)
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Three centuries later, shortly before the birth of Christ, Egypt was still ruled by a living goddess, Cleopatra, a Greek 1) descended from one of Alexander’s generals. She looked back to the Golden
DOUG JOHNSON: Im Doug Johnson. FAITH LAPIDUS: And Im Faith Lapidus with EXPLORATIONS in VOA Special English. Mars Day at the Smithsonian Air and Space Museum in Washington is a celebration of our solar systems most famous planet. The event, on July s
An assistant at the morphing matter lab drops a few pieces of flat dry pasta into a pot of boiling water. In a few minutes, these rigid flat strips will turn into soft spiral shapes called fusilli that can hold a lot of tasty sauce. Packaging dry pas
By Doug Levine Washington 30 April 2006 Donald Fagen likes to take his time. It took his group Steely Dan more than 20 years to tour, and it took the singer and keyboardist even longer to tour as a so
Todd: So, Shifani, you are an expert in urban planning, and more specifically, in transport. What do you envision in the future, let's say, in fifty years from now? Shifani: Fifty years from now is quite a long time to project, but future cities woul
By Jeri Watson and Caty Weaver Broadcast: December 26, 2004 (MUSIC) VOICE ONE: Im Steve Ember. VOICE TWO: And Im Faith Lapidus with People in America in VOA Special English. Today we tell about five special people who died during the past year. We st
By Mignon Fogarty I decided to write about comma splices because my friend Scott Sigler has a book coming out this week, Ancestor, published by Crown. Over three years ago, when he was publishing an earlier version of the book with a smaller publishe
Grammar Girl here. Today's topic is how a verb and an adverb messed up the inauguration. I took a break from work Tuesday to watch Barack Obama's inauguration, and like millions of other people, I saw a bit of confusion between Chief Justice John Rob
by Mignon Fogarty Today, I'm gonna get crazy. I said that if people wrote reviews at iTunes, I would split infinitives, and you wrote a lot of reviews. So, to say thank you, I'm going to purposefully split as many infinitives as I can! My secret, tho
By Noel King Kigali 08 September 2007 Humanitarian aid groups are sounding the alarm as fighting in the eastern Democratic Republic of Congo forces tens of thousands of civilians from their homes in North Kivu Province. Noel King has more in this rep
This is the VOA Special English Health Report. Researchers say more than half of young people who use MySpace often discuss high-risk behaviors. Two studies of the social networking site recently appeared in the Archives of Pediatric and Adolescent
This is the VOA Special English Economics Report. April is National Financial Literacy Month in the United States. As the country faces a deep recession, Americans are paying closer attention to personal finance. Some critics partly blame the crisis
FAITH LAPIDUS: Im Faith Lapidus. STEVE EMBER: And Im Steve Ember with PEOPLE IN AMERICA in VOA Special English. Today we remember six interesting people who died in the past year. FAITH LAPIDUS: We start with Elizabeth Edwards. She was the wife of fo
Split Tribal Allegiances Deepen Yemen's Crisis As battles in Yemen raged Thursday, the deadly fighting in the streets of the capital between forces loyal to President Ali Abdullah Saleh and members his own tribe highlights some deeply personal faultl
Spain's acting interior minister says the suspected ringleader behind the March 11 train bombings in Madrid killed himself as police closed in on him. He and others who blew themselves up were prepari
A blonde was being interviewed by the Chief of Police for an opening in the local Police Department. The chief said that before I hire you I have to ask a few questions. Chief: First how much is 1 and 1. Blonde ElevenChief: Well I guess I will accept
By Lisa Schlein Geneva 06 August 2007 The World Health Organization says all countries, with the exception of Indonesia, are sharing their avian influenza viruses. WHO says the failure to share virus samples could retard the development of an effecti
Every year, TIME selects the best inventions that are making the world better, smarter andin some casesa little more fun. Here's which ones made this year's unranked list. 每年《时代》周刊都会选出让世界变得更美好、更智能或者更
And the powerful lobby group Manufacture Australia has chosen controversial former underwear Queen Sue Morphett as its new chairwoman. And she resigned last year as the Chief Executive of Pacific Brands where she axed 1,800 jobs and moved production