单词：nitrosodiethanolamine
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英文魔法师字源大挪移
书表慢性病 续处方笺Chronic Illness Prescription Slip 慢性病 续处方笺Chronic Continuous Prescription 慢性病 续处方笺Refill Presriptions For Chroni Disease 诊断书Medical Certificate 挂号费Registration Fee 证明费Certifica
医学英语
By Brian Wagner Miami 30 March 2007 President Bush has set ambitious goals to reduce the country's dependence on oil, and increase the use of alternative fuels like ethanol. VOA's Brian Wagner reports from Miami that experts are now at work to ensure
2007年VOA标准英语（三月）
bedizen, [bi'diz(ə)n] v 把装饰得过分华丽而俗气；穿着俗丽 【记】bed床
不择手段背单词
Today's podcast is going to test your knowledge of ethanol. What is it? How is it made? And what are the advantages and disadvantages of using it? I asked myself these questions recently, when I drove past a gas station that had a sign saying 'No eth
英语博客 A cup of English
分集介绍：导数，商数，正弦和余弦 Derivatives.of.products.quotients.sine.cosine
麻省理工学院公开课：单变量微积分
分集介绍：导数，斜率，速度与变化率 Derivatives.slope.velocity.rate.of.change
麻省理工学院公开课：单变量微积分
[全屏观看] 点击右键- 另存为 可保存这个Flash影片 Silly Sausage是Nitrome于2011年5月28日发行的一款益智类游戏，它是以香肠在尽量不碰到其它损失生命物体的情况下吃光所有的钻石再到达终点为标
英语对接游戏
By Scott Stearns White House 22 February 2007 U.S. President George Bush wants to cut America's dependence on foreign oil by increasing the domestic production of alternative fuels. VOA White House Correspondent Scott Stearns has the story. President
2007年VOA标准英语（二月）
By Paul Sisco Washington, DC 26 January 2007 watch Ethanol Alernative report In his State of the Union address, President Bush set an ambitious goal for the United States -- to reduce oil imports from the Middle East by 75 percent. He said this can
2007年VOA标准英语（一月）
Cutting Ethanol Subsidy Might Not Impact Food Prices With the U.S. ethanol industry consuming about a quarter of the nations maize crop, many have blamed biofuels for rising food prices in recent years. The new year brought the end to a $6-billion su
VOA标准英语2012年(一月)
Alternative Fuel Ethanol Hits a Wall 替代燃料乙醇遭遇难题/撞墙 When U.S. drivers fill their tanks with ethanol, they are essentially buying fermented corn grown by American farmers. A 2007 law requires gasoline makers to add increasing am
VOA标准英语2014年(五月)
Protamine sulfate is a drug that reverses the anticoagulant effects of liver compounds such as heparin. Protamine is extracted from the sperm of salmon and other species of fish, and then made into a protamine sulfate injection which is a necessary d
世界各地新闻集锦
By Greg Flakus Houston 16 October 2007 In recent months food costs in the United States have gone up by well over six percent and some economists see government-mandated use of bio-fuels as a key reason. But, as VOA's Greg Flakus reports from Houston
2007年VOA常速英语（十月）
By Brian Padden Iowa 17 July 2006 watch Ethanol report Harvesting corn to make alternative fuel Oil prices recently reached a record high of $75 a barrel. And the growing profits are funding such anti-American governments as Iran and Venezuela. Thes
2006年VOA标准英语（七月）
By Paula Wolfson Sao Paulo 09 March 2007 The United States and Brazil are forming an informal alliance to push the production of ethanol. VOA White House Correspondent Paula Wolfson reports from Sao Paulo, the development and promotion of biofuels ma
2007年VOA标准英语（三月）
HEALTH REPORT - New Heart Drug Shows Promise in African Americans By Cynthia Kirk Broadcast: Wednesday, November 17, 2004 This is Bob Doughty with the VOA Special English Health Report. Heart failure
健康与经济
By Paul Sisco Washington 07 March 2007 watch Ethanol Alternative Fuel President Bush speaks to reporters about how cellulosic ethanol can be produced from biomass such as spruce wood chips President Bush leaves this week for a five nation Latin Amer
2007年VOA标准英语（三月）
By Jeffrey Young Washington 16 October 2007 U.S. farmers have gone through many cycles of boom and bust. But as VOA's Jeffrey Young reports, prospects for American agriculture are looking up, thanks to rising crop prices and land values, especially i
2007年VOA常速英语（十月）
Today we go on a journey. It starts in Sweden over 100 years ago; and then moves to London; and finally moves to future worlds and other planets. But we start in Sweden. Alfred Nobel spent his life finding ways to blow things up. He was born in 1833
听播客学英语