单词：demethylrifampicin
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Module 2 Me,my family and friends [00:06.77]模块 2 我，我的家庭和朋友 [00:09.95]Unit 1 A new classmate [00:13.18]单元一 一位新的同班同学 [00:16.40]Say and act [00:18.47]说并且行动 [00:20.53]We have a new classmate.Hi,I'm Ch
沪教版牛津小学英语四年级
AS IT IS 2016-10-01 Report: Smoking May Permanently Damage Genetic Material 报告称吸烟或永久性损伤你的遗传物质 Here is another reason to not light up a cigarette. Smoking can permanently damage your genetic material, according to a n
2016年VOA慢速英语(十)月
This is Scientific Americans 60-Second Science. Im Cynthia Graber. This will just take a minute. Saliva contains many useful components: lubricants, enzymes for breaking down food and now compounds that can reveal a persons age. Thats according to a
Scientific American(六)月
Ever get a sour stomach after your morning coffee? Well, you might end up switching to a dark roastbecause that coffee concoction may leave you with a happier tummy. That's according to the research presented at the American Chemical Society meeting
Scientific American(三)月
You may have heard that humans and chimpanzees have something like 96 percent of our DNA in common. So why, then, are diseases like cancer so common in humans but so rare in chimps? If our DNA is nearly identical, shouldnt we be at risk for many of t
初学者听力文摘精选
The Facts on Faminism 柳暗花明女权路 The word feminism conjures up a variety of images for people. A lot of misunderstanding and hyperbole have surrounded feminism, but according to the dictionary, feminism is simply a movement for the social,
双语有声阅读
Stomach Cells Happier with Dark Roast Coffee Ever get a sour stomach after your morning coffee? Well, you might end up switching to a dark roastbecause that coffee concoction may leave you with a happier tummy. That's according to research presented
60秒科学
M Madasiatic acid 崩大碗酸 Magnoflorine 木兰花碱 Magnolia cortex P.E 厚朴提取物 Magnolol 厚朴酚 Maitake mushroom P.E 灰树花提取物（舞茸提取物） Malonyl Oleanolic acid Hemi
医务英语
AGRICULTURE REPORT - Restrictions on Methyl Bromide By Mario Ritter Broadcast: Tuesday, March 16, 2004 This is Steve Ember with the VOA Special English Agriculture Report. Graphic Image Some chemicals
农业与发展
By Challiss McDonough Tyre, Lebanon 03 August 2006 By the latest estimates, Israel's military campaign against Hezbollah militants in Lebanon has forced up to one million people to flee from their homes. An unknown number of civilians remain in besi
2006年VOA标准英语（八月）
By Caty Weaver Broadcast: September 12, 2003 This is Bob Doughty with the VOA Special English Environment Report. Scientists in the United States have reported some good news about the 1)ozone in the
VOA2003（下）-环境与健康
Aid agencies say recent fighting in the Democratic Republic of Congo has led to the widespread separation of family members. More than 250,000 people are believed to have been displaced since fighting resumed between rebels and government forces in
VOA标准英语2008年(十一月)
Food shortages are looming in Kenya as last season's lighter-than-normal rains begin to affect harvests in the arid north. As Kenya begins its annual dry season, there are mounting fears of crop failure and a shortages of food for residents in the dr
VOA标准英语2011年(一月)
More Funds Needed to Fight E. Africa Famine Music super stars such as Lady Gaga, Rihanna and Justin Bieber are encouraging their fans to donate money for the famine victims in the Horn of Africa region. They're among a list of more than 150 celebriti
VOA标准英语2011年(八月)
Delegations from South and North Korea are meeting to discuss the resumption of family reunions. Thousands of families remain separated by the political division of the Korean peninsula. Kim Young-chol, chief delegate and secretary-general of S. Kor
VOA标准英语2009年(八月)
Science and Technology Epigenetics and stress Baby blues 科技 外因遗传与压力 新生儿蓝调曲 A mother's stress while she is pregnant can have a long-lasting effect on her children's genes 母亲孕期压力过大会对孩子的基因造成长
经济学人科技系列
By Scott Bobb Kisumu, Western Kenya 27 February 2008 The violence following the disputed elections in Kenya killed more than1,000 people and displaced an estimated 600,000 more. Many of the displaced have been taken in by their extended families but
VOA常速英语2008年（二月）
Body Clock Provides Clues to Aging 生物钟提供衰老的线索 If youre searching for the fountain of youth, you might find it in your DNA. Thats according to a new study that sheds light on the biological clock ticking in our genomes, why our bod
VOA常速英语2013年(十月)
By Steve Schy Washington 03 May 2006 Trainer Michael Matz, right, leads his Kentucky Derby hopeful Barbaro, with Peter Brette up, left Michael Matz has packed a lifetime of accomplishments into his 55
2006年VOA标准英语（五月）
By Meredith Buel Washington 05 November 2009 Secretary of State Hillary Clinton speaks at State Department, 5 Nov 2009 U.S. Secretary of State Hillary Clinton held an emotional meeting Thursday with the families of three American hikers being detain
VOA标准英语2009年(十一月)