7-乙氧基-4-甲基香豆素

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

发表于:2018-12-16 / 阅读(85) / 评论(0) 分类 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

发表于:2018-12-24 / 阅读(133) / 评论(0) 分类 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

发表于:2018-12-24 / 阅读(133) / 评论(0) 分类 Scientific American(三)月

86 去痛片须慎用 DATE=8-16-01 TITLE=SCIENCE REPORT - OxyContin Warning BYLINE=Jerilyn Watson (Start at 1'02

发表于:2019-01-02 / 阅读(150) / 评论(0) 分类 科技之光

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

发表于:2019-01-03 / 阅读(138) / 评论(0) 分类 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

发表于:2019-01-06 / 阅读(168) / 评论(0) 分类 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

发表于:2019-01-07 / 阅读(102) / 评论(0) 分类 英语新闻

Christmas Celebrated AZUZ: And of course, Christians around the world celebrated Christmas on December 25th, marking the birth of Jesus. One of those celebrations, which you see right here, was held in the city of Bethlehem, the site where Jesus was

发表于:2019-01-08 / 阅读(401) / 评论(0) 分类 CNN2010年(一)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

发表于:2019-01-11 / 阅读(137) / 评论(0) 分类 VOA2003(下)-环境与健康

By Alisha Ryu Nairobi 24 September 2007 The spokesman for the new Eritrea-based Somali opposition alliance tells VOA that the group's Islamist-led forces are in an all-out war against Ethiopian troops in Somalia in a bid to oust the Ethiopians from t

发表于:2019-01-13 / 阅读(202) / 评论(0) 分类 2007年VOA标准英语(九月)

By Al Pessin Pentagon 23 January 2008 A senior U.S. commander in Afghanistan says Taliban and al-Qaida forces in the Pakistan border area are turning their attention more toward Pakistan, and are working together to hit Pakistani forces. Major Genera

发表于:2019-01-13 / 阅读(157) / 评论(0) 分类 VOA标准英语2008年(一月)

The faithful have flocked to the West Bank town of Bethlehem to celebrate Christmas. Christians gather on Christmas Day inside the Church of Nativity, believed by many to be the birthplace of Jesus Christ, in the West Bank town of Bethlehem, Thursda

发表于:2019-01-13 / 阅读(148) / 评论(0) 分类 VOA标准英语2008年(十二月)

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

发表于:2019-01-16 / 阅读(150) / 评论(0) 分类 2017年NPR美国国家公共电台3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

发表于:2019-01-26 / 阅读(162) / 评论(0) 分类 经济学人科技系列

Beginners. Well, it's time for a new dog. For the past year, we have been a one dog family. But, you know, our dog, Rosie, is a wildly social lady. She goes crazy any time she meets another dog, a cat, a mouse, or a bird, let alone a human. But, the

发表于:2019-01-28 / 阅读(113) / 评论(0) 分类 英语博客 A cup of English

By Melinda Smith Washington 14 May 2007 Top executives of the company that makes a powerful painkiller called Oxycontin admitted this week they lied about the drug's addictive qualities in order to boost sales. As VOA's Melinda Smith reports, worldwi

发表于:2019-02-03 / 阅读(162) / 评论(0) 分类 2007年VOA标准英语(五月)

Beginners. Today, Foxy had an appointment with the vet for vaccinations and a general check-up. She is about eight months old, so she needed her second set of vaccinations. The vet also needed to see if her growth was normal and healthy. I put her in

发表于:2019-02-07 / 阅读(138) / 评论(0) 分类 英语博客 A cup of English

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

发表于:2019-02-08 / 阅读(122) / 评论(0) 分类 好听的英文歌曲

Brazil unlikely to hire foreign coach, says CBF

发表于:2019-02-18 / 阅读(115) / 评论(0) 分类 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

发表于:2019-02-20 / 阅读(143) / 评论(0) 分类 天籁音乐
学英语单词
accretor
affordest
amino-carbamic acid
analysis of energy consumption
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apicoposterior segment
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dust-off
EHCS (electro hydraulic control system)
electric master fuse
electron-beam dose
empty category
end wrench
enskildas
equivalent luminance
esophageal sphincter
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Fredholm alternative theorem
Front Side bus speed
futuristically
gas constant per molecule
gdrs
good neighbor
granular sturcture
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HRIP
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uninvert
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