丙炔

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(85) / 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(133) / 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(133) / 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(88) / 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(157) / 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(138) / 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(170) / 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(137) / 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(162) / 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(130) / 评论(0) 分类 VOA常速英语2013年(十月)
学英语单词
-ptysis
acoustic analytical instrument
acrotarsia
aircraft control and warning system
aldehyde ketone
Aldis
Allylnoroxymorphone
alum tanning
aluminium steel
antipsychomotor
Apocryphal Gospels
arraigns
avalosulphone
billyo
black burn
burchell l.
Carcel lamp
carpet beetle
Catholic Churches
cloaking
computer aided manufacture
Conia.
correctish
cuprocassiterite
developing a new breed
direct-vision nephoscope
distributive condition
dos lagunas
economic revival
ejector plate
electrochromism spectrometer
estee lauder
exposable
feather-grass
fluidized-bed roasting
furuya
graphic symmetry
Grattan
great grimsby (grimsby)
gripe plate
hadithah
hdtv-ready
heede
hi-speeds
Hieracium regelianum
hithreto
hot-and-spicy
Hypsurus
issuer certification key
khakamada
laser guided bomb (lgb)
Lindholme Airport
live quartz
lunar daily variation
madakes
main sectoral report
margin of image
marvel-of-Peru
masking sound
moderate-heat portland cement
net electrical power
night crawlers
oil floatation
orantes
pacilitaxel
palamas
parcel express
peritoneum visceral
peshmarga
phytoagglutinins
plotolysin
pointer qualification symbol
Poisson function
polynomial hazard function models
postorbital plate
retarding effort
separate client account
shalit
single-layer solenoid
Soekarno
space complexity
speedometer drive
sphere of action
split-lens
standard card cage
start a hare
supplementary feeding
Svoge
take her leave
Teraina
thermal radiation phenomena
thurlow
Tiruchengodu
to leave a message
trade promotions
TRICHOPTEBYGIDAE
Tīrthahalli
unsat
unstented
Vampyrops
when doctors disagree
ysell