单词：methylsalycylates
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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
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
The itsy bitsy spider climed up the water spout. Down came the rain, and washed the spider out. Up came the sun, and dried up all the rain, And the itsy bitsy spider went up the spout again.
鹅妈妈童谣
By Melinda Smith Washington 16 May 2007 Women exercising One of the few certainties in life is that good health begins with eating a balanced diet and frequent exercise. But the older we get, the less likely we are to exercise. A new study of 464 U.S
2007年VOA标准英语（五月）
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
By Noel King Khartoum 15 February 2007 Amid growing concern over continued violence in Sudan's Darfur region, top United Nations and African Union envoys to the region said Thursday they remain optimistic that a political solution to the crisis can b
2007年VOA标准英语（二月）
By Michael Bowman Washington 25 March 2007 A former U.S. ambassador to the United Nations says only regime change will cause Iran to halt its nuclear program. VOA's Michael Bowman reports from Washington, Ambassador John Bolton spoke one day after th
2007年VOA标准英语（三月）
Oum Sok began working as a cyclo driver when he was 18. He says the city has become very expensive over the years, making it much harder to earn a living. New York has its yellow cab. London has its red bus. But Phnom Penh has its cyclo - a three-whe
VOA标准英语2010年(六)月
The best way to improve U.S. relations with Latin America is by fixing the U.S. economy, according to analysts who testified before a Congressional committee in Washington on Wednesday. They told U.S. lawmakers that President Barack Obama should add
VOA标准英语2009年(三月)
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 Brian Padden Salt Lake City, Utah 03 February 2006 watch Paralympics report The upcoming Olympic Winter Games in Turin, Italy will showcase the best athletes in the world competing at the highest l
2006年VOA标准英语（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 David McAlary Washington 11 July 2006 Former dancer Ann Smith leads a stretch class at Munson Community Health Clinic in Traverse City New medical research shows that elderly people can prolong their lives without vigorous exercise. The study of
2006年VOA标准英语（七月）
By Michael Bowman White House 04 May 2006 President Bush says the United States remains committed to promoting justice and prosperity in Latin America, and is backing its words with actions and aid. M
2006年VOA标准英语（五月）
AMERICAN MOSAIC - Senior Citizens Sing for Health and Fifteen-Year-Old Kyla Ross Heads to the Olympics JUNE SIMMS: Welcome to AMERICAN MOSAIC in VOA Special English. (MUSIC) Im June Simms. This week, we play new music from singer John Mayer. We also
2012年VOA慢速英语(七)月