2-(乙氧甲)四氢呋喃

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(207) / 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(238) / 评论(0) 分类 Scientific American(六)月

This is Scientific American Sixty Seconds Science, I'm Sophie Bushwick, got a minute? When Mexican tetra fish moved into darker caves long ago, they evolved to deal with the dark by becoming albino and going blind. A new research shows that the chang

发表于:2018-12-24 / 阅读(245) / 评论(0) 分类 Scientific American(一)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(249) / 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(255) / 评论(0) 分类 科技之光

T Tanshinone IIA 丹参酮IIA Tanshinone I 丹参酮I Tanshinone IIB 丹参酮IIB Taraxasterol 蒲公英甾醇 Taraxerol 蒲公英赛醇 Tauro ursodesoxy cholic acid 牛磺熊去氧胆酸 Taxifolin 花旗

发表于:2019-01-03 / 阅读(234) / 评论(0) 分类 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

发表于:2019-01-03 / 阅读(246) / 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(270) / 评论(0) 分类 农业与发展

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(487) / 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(248) / 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(303) / 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(243) / 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(259) / 评论(0) 分类 VOA标准英语2008年(十二月)

Locals in Uganda are lauding a construction project financed by China which is creating the East African country's largest hydroelectric power plant. The 600-megawatt (MW) Karuma Hydroelectric Power Plant is located at the mid-western district of Kir

发表于:2019-01-19 / 阅读(294) / 评论(0) 分类 2018CRI中国国际广播电台

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(264) / 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(210) / 评论(0) 分类 英语博客 A cup of English

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

发表于:2019-01-31 / 阅读(286) / 评论(0) 分类 VOA常速英语2013年(十月)

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(257) / 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(248) / 评论(0) 分类 英语博客 A cup of English

10 Getting The Lead Out 第十章 把铅撵出去 In the late 1940s, a graduate student at the University of Chicago named Clair Patterson (who was, first name notwithstanding, an Iowa farm boy by origin) was using a new method of lead isotope measur

发表于:2019-02-17 / 阅读(264) / 评论(0) 分类 万物简史
学英语单词
2-ethylbutanol
absorbing membrane
adhering substance
american dietetic association
Baycillin
benthiavalicarb
bierkellers
bionomical
blank label
bulk cement lighter
cardiac depressor nerve
caseworks
central choroiditis
check curtain
complex Euclidean space
Concordium
Corydalis mediterranea
countersinking of the rivet holes
D. W. Griffith
decompartmentalize
deforming lens
dermatosa myiasis
designation punching
destandardize
dichen
distributary minors
durdins
electrode opening
external gun
fudges
Fuvinazole
gemmiparity
genomorph
gunstock stile
height transmission
hessian linen
hexxest
high frequency waves
homogenized tobacco sheet
horlas
hot padding
impeller vane
insented
lodged in
Lodoga
market cross
mass sale
mathematical control model
mean time
mesotherms
message markers
meter candle second
multiplepoindings
multiplex development
mystic
napecrest
Nernst adsorption
old liner
on-snow
order throughput rate
outstanding on loans
over-baked
Parascalops
pittsford
power iactor adjustment
Prececal
projection type chaser
radiocancerogenesia
radioisotope dilution
ray grasses
rehybridization
sample delivery point
sausage binding machine
scapula (pl.scapulae) scapular bone
sea advance
semidirectional microphone
shoestores
shunt-feed oscillator
silicon switch transistor
simple ray
single side heading method
soil shovel
spontaneous expansion
spring-loaded antenna
squaloids
Stenopelmatidae
subsidiary money
syndactyly with ectodermal dysplasia
TFT display
theory of imputation
todger
trekometer
twin diode pentode
unfeathering
uranographic
uroflowmetry
veneniferous
wedge spectrograph
wideband common carrier channels
wormish
yblest
yellow lead ore (wulfenite)