标签：benign 相关文章
- 05 - bark vi.(狗等)吠，叫n.吠声，叫声；树皮 barn n.谷仓,仓库 barrel n.桶;枪管,炮管 barren a.贫瘠的；不育的；(植物)不结果的；无用的 barrier n.栅栏,屏障;障碍(物) basement n.建筑物的底部,地下室,地窖 basis n.基础,根据 bat n.球拍,球棒,短棒;蝙蝠 batch n.
俞敏洪07年考研英语词汇
By Melinda Smith Washington, DC 31 August 2006 watch report New Health Study Workaholics probably already know too many hours spent at the office do not contribute to good health. A survey of thousands of Americans confirmed the link between too muc
2006年VOA标准英语（八月）
I'm caught in the symmetry of your mind But I'm not happier than you Did I really see you or was it a dream Dreaming that it was seamless Not a trace of wrong words That we have spoken Little did we know No bigotry or tears shed Oh if only you'd try
英文最新流行歌曲
By Michael Bowman Washington 29 June 2006 The Bush administration says it is taking effective steps to stem illegal immigration to the United States, but Congress must act to overhaul America's immigration system. Homeland Security Secretary Michael
2006年VOA标准英语（六月）
A 4 percent decrease in forest was associated with a nearly 50 percent rise in malaria cases in western Brazil. You know saving the rainforest is good for biodiversity. But it may also be a boon to human health. That's because less clear-cutting may
60秒科学
The simplest way to say it is this: I believe in my mother. My belief began when I was just a kid. I dreamed of becoming a doctor. My mother was a domestic. Through her work, she observed that successful people spent a lot more time reading than they
2005年NPR美国国家公共电台
By Lisa Schlein Geneva 19 November 2006 The threat of bio-terrorism will top the agenda of a sixth review conference of the 1972 Biological Weapons Convention. The two-week conference, which begins Monday in Geneva will review the ban on biological
2006年VOA标准英语（十一月)
By Meredith Buel Washington 20 September 2006 A key U.S. senator says sectarian militias are growing in Iraq and is reaffirming a plan he says will break the vicious cycle of violence and create conditions for multi-national forces to withdraw from
2006年VOA标准英语（九月）
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）
Study: Early CT Scans Increase Lung Cancer Survival Rates A new study has found smokers and former smokers who develop lung cancer are more likely to survive if their disease is detected with a computed tomography, or CT scan instead of a standard ch
VOA标准英语2011年(七月)
NASA: Ancient Martian Conditions Suitable for Life NASA says there is new evidence that ancient Mars could have supported microbial life. NASA's Curiosity rover has drilled into a rock near an ancient stream bed on the Red Planet, and the rover has a
VOA标准英语2013年(三月)
By Melinda Smith Washington, D.C. 07 June 2007 For years, doctors urged women to take folic acid if they planned to get pregnant. Then researchers discovered the nutrient helped reduce the risk of a heart attack. But now a new study shows folic acid
2007年VOA标准英语（六月）
ARI SHAPIRO, HOST: The White House's top trade adviser is offering a bleak and suspicious view of global trade. The head of the president's National Trade Council says foreign firms buying U.S. companies pose a threat to national security. As NPR's C
2017年NPR美国国家公共电台3月
Eighteen million years ago, it arrived in warm, tropical waters. Only then could the world's greatest reef be born. Australia's epic journey may have created perfect conditions for coral, but it also put it in the line of fire of the most powerful st
自然百科2011年
By Michael Bowman Caracas 05 December 2006 Venezuela remains abuzz after Sunday's re-election victory by socialist President Hugo Chavez over an opposition candidate who was barely known in the country just a few months ago. VOA's Michael Bowman rep
2006年VOA标准英语（十二月）
By Stephanie Ho Washington 10 August 2006 Homeland Security Secretary Michael Chertoff says the United States is stepping up its security measures, after authorities in Britain said they uncovered a major terror plot to blow up airplanes flying from
2006年VOA标准英语（八月）
By Lisa Schlein Geneva 02 May 2006 Environmentalists are calling for the elimination of the toxic chemical, DDT, which is still used in large parts of Africa to combat malaria. The continued use of DD
2006年VOA标准英语（五月）