[网络] 酮甲胺

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(99) / 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(156) / 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(153) / 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(118) / 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(172) / 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(155) / 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(189) / 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(154) / 评论(0) 分类 VOA2003(下)-环境与健康

AUDIE CORNISH, HOST: Most people go to the fair to ride the Tilt-A-Whirl or eat funnel cakes, but not our Planet Money team. Robert Smith and Kenny Malone traveled to the Ohio State Fair to learn the secret art of selling people things they might not

发表于:2019-01-16 / 阅读(149) / 评论(0) 分类 2017年NPR美国国家公共电台8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(180) / 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(166) / 评论(0) 分类 VOA常速英语2013年(十月)
学英语单词
accommodation and food service activities - isic
acer rubrums
arceate
Barany's sign
Bargain-purchase-price option
blow and vent system
Bortala
Bouvet Island
Busobuso
cellular content
chronic progressive acrocyanosis
classes of pollution
coppen
cyclical swing
dehydroretinal
del-operator
dietetic beverage
dwarf exotic species
EHP
eliana
exeception rate
family sepiidaes
fire distribution
flip-flop mechanism
flood-crest stage
foreign manufacture
free cantilever segmental concreting with suspended form-work
gamibasin
gang-plank
garage wine
general technical requirements
googlable
graphic science
hallan
heat-eliminating medium
hyalotrachyte
ill turn
imperfect consonant interval
inspectional
jet type dust collector
Join the club
Kaptenskog
Karaism
Krete
leading lady
license payment
liquid penetrant examination
m-phthalic acid
mactations
main fibers
man in the middle
metastructure
Mickleton
Mitsinjo
multibrand policy
musculi triceps surae
Nabnasset
nummen
off-location
ore wagon
oxidative breakdown product
Oxytropis globiflora
paraconiin
passive negativism
pedrails
pericardia
periphery blasting
petroleum locomotive
polyphalange
pulvis gummosus
reaudit
Richland Creek
sara teasdales
scutellation
sell us
sidereal hours
snipsnapsnorum
sobemoviral
space temperature variation
spring knockout
spring-form
statistical data analysis
subphylum cephalochordatas
supraspiracular line
sustainable use
swear white is white
task equivalence
taylerson
tchebychev's inequality
timber-faceds
trilateral crosssection
Triphysaria chinensis
Two-and-a-half International
two-to-one
two-unit system
unit-step
vile practice of bribery
vostro deposit
walk stick
woody plant
Zemlya Vil'cheka, Ostrov
zui