[网络] 甲基原子团;甲基群;甲基团

THIS IS AMERICA - Girl Groups' in Rock Music By Robert Brumfield Broadcast: Monday, February 02, 2004 (THEME) VOICE: Welcome to THIS IS AMERICA, in VOA Special English. I'm Phoebe Zimmermann. In the l

发表于:2018-12-07 / 阅读(194) / 评论(0) 分类 This is America

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(196) / 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(234) / 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(242) / 评论(0) 分类 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

发表于:2018-12-28 / 阅读(216) / 评论(0) 分类 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

发表于:2019-01-02 / 阅读(242) / 评论(0) 分类 60秒科学

Too often young Somali-Americans have made news for all the wrong reasons. Some young people have fallen victim to drug abuse or the appeal of gang violence. Others have turned to extremist ideology. But youth organizations in the American state of M

发表于:2019-01-02 / 阅读(183) / 评论(0) 分类 2017年VOA慢速英语(四)月

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(242) / 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(267) / 评论(0) 分类 农业与发展

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(245) / 评论(0) 分类 VOA2003(下)-环境与健康

AS IT IS 2014-09-04 Rights Groups: Thailand Suppresses Freedom Thailands military and police have stopped the release of an independent report on human rights. The report examines human rights in Thailand during the first 100 days under military rule

发表于:2019-01-12 / 阅读(193) / 评论(0) 分类 2014年VOA慢速英语(九)月

AA: I'm Avi Arditti with Rosanne Skirble, and this week on Wordmaster -- English teacher Lida Baker in Los Angeles talks about improving English pronunciation by understanding the idea of thought groups. RS: Thought groups are something we don't even

发表于:2019-01-18 / 阅读(156) / 评论(0) 分类 英语单词大师-Word Master

Voice 1 Hello. Welcome to Spotlight. Im Bruce Gulland. Voice 2 And Im Marina Santee. This programme uses a special English method of broadcasting. It is easier for people to understand, no matter where in the world they live. Voice 1 The sun sets ove

发表于:2019-01-19 / 阅读(178) / 评论(0) 分类 环球英语 Spotlight

Colombia's largest armed rebel groups, the FARC and ELN, have met to strengthen their unification process. In a statement, the FARC says incidents which led to the distancing between the groups have been overcome. The FARC has also stressed the need

发表于:2019-01-19 / 阅读(166) / 评论(0) 分类 世界各地新闻集锦

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(258) / 评论(0) 分类 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

发表于:2019-01-31 / 阅读(281) / 评论(0) 分类 VOA常速英语2013年(十月)

By Claudia Blume Hong Kong 16 November 2007 Hong Kong-based human rights groups who recently returned from a fact-finding mission to the Philippines found that the frequency of extrajudicial killings in the country has gone down. Disappearances, howe

发表于:2019-02-08 / 阅读(201) / 评论(0) 分类 VOA常速英语2007年(十一月)

By Noel King Kigali 19 October 2007 Congo's 2006 democratic elections were intended to usher in a new era of peace in the once war-torn nation. And while improvements have been seen in certain areas across the vast country, holdout armed groups in th

发表于:2019-02-08 / 阅读(329) / 评论(0) 分类 2007年VOA常速英语(十月)

Occupy Wall St which began in New York in September has spread around the world. By last Saturday, there were 2,668 groups in about 100 countries. Occupy protest groups have been in our main cities for the last six weeks but now councils are getting

发表于:2019-02-17 / 阅读(184) / 评论(0) 分类 新西兰英语

The practice of medical groups in China only emerged in recent years. It's when a number of doctors come together, they can carry out medical treatments independently, without being employed by any public or private hospital. Such a move is unconvent

发表于:2019-02-25 / 阅读(183) / 评论(0) 分类 cctv9英语新闻2016年
学英语单词
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affine geometry
alligator shearing machine
anaflogistico
aromatic ester
as thing stand
asset-stripping
Bagan Serai
Barrett esophagus
be on at someone
bead welding
bench-grinder
beske
Biostim
Budget Bill
carbon rich waste
chemical working
chronistor
circ cubspace
convenience-
cost dear
counter-turned
crank shaft impulse neutralizer
crop dosposal
dalbergia yunnanensis franch.
dauncy
depersonalizations
Diescher mill
different way
dirsiyeh (darisiyeh)
double-curved vault roof
drowed valley
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elevator shoe
emergency parking strip
environmental radiation monitor
epidermal tooth
fibre staining
friction heat gain
frishman
fuck-loads
genus muntingias
goes wrong
governor manifold
granddaddy
gyro wheel
half cocked
handwashes
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inactive client
isomerase phosphotriose
Kogia breviceps
kudoasis
lake survey
laminae albae cerebelli
ledol
lost on sale
love-lies-a-bleeding
main coolant pump
Manaar
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microwave extraction system
Mills's disease
multianode valve
neopseustid
nerdishness
nuisance fee
odd-odd
offgrade product
officiate
omophorion
open circuit impedance parameter
Palaeoloxodon
platycephalic, platycephalous
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practical pressure limitations
preconditioning circuit
preference shares
propraetorships
relict smoker
Sarykamyshskoye Ozero
Silver Plains
skin through
Spiresis
Spöl
squaring up machine
stone sub
sub-line
subboard
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supervised alarm system
tank training
track via missile
tsuga formosana hay.
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underslips
unrealized gross profits
verrucous carcinoma of penis
weisz
xylanolytic
ylang ylang oil