单词：7-Methylcoumarin
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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
And every single part of this mechanism is actually plausible in biology. 实际上，这个机制的每一个步骤在生物领域中都是可行的。 In other words, I've taken off-the-shelf components, and I've made a spectroscope. 换句话讲，我
TED演讲教育篇
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
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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
Silybin 水飞蓟宾 Silymarin 水飞蓟素 Silydianin 水飞蓟宁 Sinomenine 盐酸青藤碱 Sinoside 辛诺甙 Skimmianine 茵芋碱 Smiglanin 光叶菝葜甙 Smilagenin 异菝葜皂甙 Solanidine 茄
医务英语
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
RIO DE JANEIRO, March 18 (Xinhua) -- Retired soccer star Ronaldo on Sunday revealed his aspirations of entering the world of politics and becoming the next president of the Brazilian Confederation of Soccer (CBF). With the sudden and unexpected resig
英语新闻
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
DAVID GREENE, HOST: And it's David here with an invite. Come with me up a winding hill in LA to a house high above where the ocean meets the mountains. A woman is standing outside the gate. It's publicist Yvette Shearer. And she's with the man we are
2017年NPR美国国家公共电台3月
Science and Technology Pollution in the Himalayas Time to call the sweep? 科技 喜马拉雅山受到了污染 是时候呼吁清扫了吗？ Soot gets everywhere. Even into the world's highest mountains 到处都弥漫着烟灰，甚至蔓延到了世
经济学人科技系列
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
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)
BEIJING, Oct. 8 (Xinhua) -- Czech third seed Tomas Berdych muscled out top seed Jo-Wilfried Tsonga of France here on Saturday to reach the final of the 2.1-million-U.S.-dollar China Open ATP tournament, while Poland's Agnieszka Radwanska saw off Ital
英语新闻
Lene Marin的声音属于那种很舒服很随意，表面平淡但内里蕴含着百转千回，令人百听不厌。 从那首著名的A Place Nearby开始，Lene的歌总在最不经意的地方给人惊喜。 Still Here Lene Marin I just can't he
好听的英文歌曲
Brazil unlikely to hire foreign coach, says CBF
英语新闻
Lene Marin的声音属于那种很舒服很随意，表面平淡但内里蕴含着百转千回，令人百听不厌。 新的一天开始了，告诉自己，今天是我的lucky day！ My Lucky Day Lene Marin Tell me what you saw that was so bad Tel
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