6-甲基茜素

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(109) / 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(161) / 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(160) / 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(134) / 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(181) / 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(168) / 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(197) / 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(164) / 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(187) / 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(180) / 评论(0) 分类 VOA常速英语2013年(十月)
学英语单词
a dime
academic achievement test
actual length of inpatient stay
adjacent turns
Almen's test
American dillweed oil
angioreticulitis
apa printers
apricot(kernel)
baddoo
Barrow-in-Furness
barrow-wight
big reed screen
blood donation
bond interest receive
boneplasty
bulb steel
button plate
canutoes
Changgye
channel iron (v-iron)
CIC process
clean up your act
constituent fund
controlling valve
corporatewide
cracker mill
cracking in vapour phase
Crova wavelength
dense traffic
diaphragmpiezo microphone
electric field intensity, electric field strength
enshade
extra-spectrum colo(u)r
FGIN-2
foaming rubber
gallium(iii) sulfide
gamma photon
gear flat
genus Microstrobos
germanium difluoride
goddessship
heels foremost
indifference statistics
inravision
intercept lead angle
job name
joint-tongue
Krimml
kylesku
laboratory studies
launching catapult
light a fire under someone
male-female
metal spike
mise-en-abyme
mohairs
molecular imprinting
monophosphide
Morro do Pilar
netware bridge
neutron absorption rate
non drying oil
non-contact sealed ball bearing
numerically controlled lathe
palaeocrystic
parent plant or animal
Picrous Day
posterior lateral tooth
postmaximal
pre-annealed
Pregradnoye
propositional learning
put oneself on the map
remelt process
ribonucleoside
Right of Stoppage in Transit
rival demand
Romaphobia
runic letters
salpicons
scaredy
scarlatina latens
secondorder stream
self-relevant
senile amblykusis
shunting zone
Slow-K
Sprengel lube
spymaster
take leave to do
trailing edge
transition region
Tripotama
twite
upflow contact clari ier
US.
vertebrae magnum
vertebral formulas
vulnerates
wunst
yhaht