单词：streptothricin f
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单词解析速记
AA: I'm Avi Arditti with Rosanne Skirble, and this week on WORDMASTER: we discuss a local dialect spoken in Pittsburgh, Pennsylvania, the host city for this week's Group of 20 economic summit. That's Rosanne's hometown, and she went back in 2000 to t
词汇大师(Wordmaster)
Grammar Girl here. Todays topic is the difference between the words historic and historical. A listener, Denise, wants to know if she should say, We sell historic replicas or We sell historical replicas. Was an event a historic occasion or was it a h
英语语法 Grammar Girl
2009年一月，当机号1549 飞机迫降纽约哈德逊河，Ric Elias 正坐在第一排。在坠机的当下，他的心中在想什么? 在 TED，他第一次在公开场合说出他的故事。
TED公开课:(不只是)男人经
Grammar Girl here. Today's topic is generic personal pronouns. Nolan in Victoria, British Columbia, asked the following question: Just wondering about whether to use she or he in terms of giving examples. Since she was written out of the literature f
英语语法 Grammar Girl
By Brian Wagner Miami, Florida 15 August 2007 U.S. minority population are expanding New data from the U.S. Census Bureau shows that black, Asian, Hispanic and other minority populations are expanding in many districts where whites were once dominant
2007年VOA标准英语（八月）
By Paige Kollock Washington, D.C. 03 May 2006 watch Heurich House report Nestled on the corner of New Hampshire Avenue and O Street in Washington D.C.'s Dupont Circle sits a historic gem that is now i
2006年VOA标准英语（五月）
An international team of researchers looking for the cause of severe bacterial epidemics has deciphered the genome of group A streptococcus, a normally harmless sore throat pathogen that occasionally turns deadly. Experts say the breakthrough could s
VOA标准英语2010年(一月)
Three days later Lily:Mom, I'm ready for school. Mom:Let me feel your forehead. I'm so glad it wasn't strep throat. Lily:I don't have a fever, and I'm ready for my test. Mom:But I'm not sure you're strong enough yet. Here's some seafood rice soup I m
Eztalk美语会话
DEVELOPMENT REPORT – April 15, 2002: Vitamin-Enriched Drinks By Jill Moss This is the VOA Special English Development Report. The Coca-Cola Company is developing a new healthy drink for people in de
农业与发展
UN Conference Fails To Strengthen Biological Weapons Treaty Lisa Schlein Geneva 17 Aug 2001 20:15 UTC Representatives from 56 nations have failed to achieve an agreement on strengthening a treaty to 1
VOA2001-国际风云（4）
英文歌词： We took the long way home, you held my hand, The days so full of all the things we had planned. We walked beyond the green, beyond the day. We shared a dream that i let slip away. I had to find myself. I had to find myself. No use looking
英文摇滚歌曲
MADRID, Aug. 27 (Xinhua) -- Real Madrid this Monday announced the signing of Croatian midfielder Luka Modric on a five year contact. Modric joins for Tottenham Hotspurs on a deal thought to be in the region of 35 million Euros, ending a long running
英语新闻
Hurricane Sandy Bears Down on Eastern US Watches and warnings are posted up and down the U.S. east coast as Hurricane Sandy sets its sights on the Atlantic seaboard. Forecasters with the National Hurricane Center say they do not expect Sandy to weake
英语新闻
UNITED NATIONS, Oct. 28 (Xinhua) -- The headquarters of the United Nations is going to be closed for at least one day because of an expected hurricane, according to a statement issued to the press here on Sunday by the UN spokesperson's office. Due t
英语新闻
BEIJING, March 28 (Xinhuanet) -- U.S. Oscar winner Reese Witherspoon formally married her entertainment（娱乐消遣） agent Jim Toth, according to media reports Sunday. Witherspoon, 35, and Toth, 40, held their 20-minute wedding ceremony Saturday
英语新闻
Chinese Want Electric Cars, Americans Not So Much Citizens of which country are most likely to buy or at least consider purchasing a plug-in vehicle than any other nation? According to a recent survey conducted by Ernst Young's Global Automotive Cent
阅读空间
Todd: So Ivan, in America, in California we have earthquakes. Do you have any natural disasters in Houston? Ivan: Uh, it floods a lot and we get hurricanes. Houston's called a bayou city. Bayou is kind of like a dirty river. Sometimes it rains a lot,
原版英语对话1000个
WASHINGTON, Aug. 29 (Xinhua) -- Hurricane Isaac weakened to a tropical storm on Wednesday afternoon with storm surge and inland flooding still threatening, said the U.S. National Hurricane Center on the 7th anniversary of Hurricane Katrina's destruct
英语新闻
Hurricane Isaac has made landfall, slamming into the southeastern coast of Louisiana. The National Hurricane Center said the powerful storm came ashore late Tuesday, bringing sustained winds of 130 kilometers per hour. Forecasters also warned of dang
英语新闻