d-甲基多巴

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(45) / 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(95) / 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(95) / 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(49) / 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(125) / 评论(0) 分类 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

发表于:2019-01-03 / 阅读(89) / 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(129) / 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(99) / 评论(0) 分类 VOA2003(下)-环境与健康

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(125) / 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(76) / 评论(0) 分类 VOA常速英语2013年(十月)
学英语单词
acromatic antenna
afforest
all-invar cavity
An Nafud
anguloa
anomalous phenomena
antelope squirrel
anti-rolling moment
as gentle as a dove
Association of Iron-Ore Exporting Countries
asymmetrical estimation method
audio frequency overlay solid state track circuit
backkick backlash
be devoured by sth
Bergius process
billow wave
bitch slapped
brand-mix model
carbide black
chorea major
chromium(ii) phosphate
circuit-breaker failure portection equipment
coffee-makers
comparative advantage
consumer protection law
cultivated crop
curvilinear shear flow
dead donkey
Dimorphogroptus
direct letter of credit
direct run
drop pipe
dropping in hill
duskvale
dysmorphocaryocyte
echelon
envassaled
fenclonine
find the opportunity
Fircrest
flat field generator
foxie
genus Toxicodendron
Gilf.
ginott
goods train line
guiness
howster
hydrofluoric
interstellar cloud
jibber jabbering
jockeys
john vanbrughs
Kabaena, Pulau
lecointre
linnehan
loses their mind
machine chase
magnetic gradiometer
martial artistry
mashouq
mentomeckelians
mesh number required
microfaradmeter
monche
Oleksiyivka
operating system/virtual storage (os/vs)
p-slowness graph
parallelogram stand
personal statement
Phyllostachys arcana
polyhedral edge detector
Populus pamirica
primer line
Radio Regulations Atlantic City
ramstetter
ratio of slip
rectifier bridge comparator
relay station
rotary table speeds
saliclanilide
samariscus triocellatus
Santa Maria da Boa Vista
satisfaction of judgement
seal by double conical frustum
seven year itch
silent block mounting
slot action
step-up formula
subbulbous
surface front
tappr
thelline
three-yards
topographic identification
transfer motion control
ultra-clean air system
unlikest
weight sum
westmeaths
wrong time
ZAPRORIDAE