甲基溴

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(419) / 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(457) / 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(446) / 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(425) / 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(431) / 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(485) / 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(476) / 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(469) / 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(497) / 评论(0) 分类 经济学人科技系列

AGRICULTURE REPORT - Cover Crops By Mario Ritter Broadcast: Tuesday, March 23, 2004 This is Steve Ember with the VOA Special English Agriculture Report. The idea to grow a crop that improves the land

发表于:2019-01-30 / 阅读(399) / 评论(0) 分类 农业与发展

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(532) / 评论(0) 分类 VOA常速英语2013年(十月)
学英语单词
Adelie penguins
air-look device
Alaejos
allylic condiment
anafranil (clomipramine)
anti-elitisms
average filling losses
Bacillus oedematiens
Ban Doun
barnhardt
Batnickoin
Bierings Land
bubkes
bullet fingerprinting
busby
canbisol
centaurea cinerarias
Chang Kuo-lao
color net system
come to china
complex-amplitude distribution
computerizabillty
contraposed shoreline
corporate stock
display simulation
doister
eigenpolarizations
electric-field effect
electrical plate
epidermo-
exempt employees
feather veined
fermentatious
ferricyanic acid
fox hunter
franklins
Gauss variational problem
gayest
genus synagropss
geofoam
glucoerysodine
gonakie
grassy weed
habit morphology
half-notch
hodgers
in-statest
individual storage
instantaneous rotation
jetting pilling
John Wiclif
KOEI
kydde
law of (universal) gravitation
liable to
life requirement
light rings
Lock the stable door when the horse is stolen.
lomell
lupescu
Mahlaing
maximum file size
metamorphosis dimidio
monobloc casting
motor vessel (mv)
nationalise
non payment
nonauthor
null set of class
obstetric(al) hemorrhage
organdies
outward transfer bridge
Pairam
parts assembly drawing
periodicit
phyllosticta calystegiae sacc.
polysulfated
POPSO
PROTONEMERTEA
rectorrhaphy
rimers
rorantists
shot calla
side rim
small cap
soft silk
spiral fluted
staged transformer
sudo
tagatose
target subtended angle
terminal payment
text variable
translational bioinformatics
trr
trypsinogen
undeveined
universal ring-type crusher
unpaintable
void meter
yarn surface-helix angle