对甲基苯丙胺

US President Barack Obama has outlined big cuts to the military and a greater presence in the Asia-Pacific region. Tens of thousands of troops will be axed to find half a trillion dollars in savings over the next decade. President Obama says troop nu

发表于:2018-12-11 / 阅读(144) / 评论(0) 分类 澳洲ABC新闻快递2012年

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(194) / 评论(0) 分类 2016年VOA慢速英语(十)月

Last week, tens of thousands of gallons of sewage gushed into urban streams in Baltimore, because of leaky pipes and flooding rains. And when that happens, it's not just organic matter and microbes that get flushed into aquatic habitats. It's drug re

发表于:2018-12-24 / 阅读(162) / 评论(0) 分类 2016年Scientific American(八)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(234) / 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(241) / 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(216) / 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(242) / 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(240) / 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(267) / 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(240) / 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(258) / 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(280) / 评论(0) 分类 VOA常速英语2013年(十月)
学英语单词
absolute height
ac and dc
act ... out
Adonidia
Adzharia
agape love
alexander is
arruda
articulations
atrichopogon mendax
Bailey's Irish Cream
beat a bargain
beddel
bertig
blacksmiths
Blepharisma
breast armor
Carex pruinosa
chemical poisoning theory
Chrococcaceae
cisterna intercruralis superficialis
clasts
cycloheptaphanes
cylindrical bottom
dame's rocket
data screen
Dendrocalamus tibeticus
differential distribution function
distribution time pulse
double-refine
downhill race
dunsh
electron-beam welder
eumetopias
excess present value
extension blocks
eye-hazardous ultraviolet radiation
fearn
febriculas
fee-free
feig
first-generation phototypesetter
floating point accelerator
forced tempo production line
frenula synoviale
frequency translator
geodetic circle
go over the side
heavy fuel feeding pump
hide substance
ignorantisms
inductive tensiometer
initial issues
interstitial gas flow
inwardnesses
jacking block
legg-calve-perthes(disease)
Leicas
levisomnous
ligamenutum ovarii proprium
megaprime
methoximol
mewar
microprocessor modem
mite disease
Mona, Can.de la
murmurously
nellyville
nematoblast
neutral detergent solubles
non-printable
orientize
overfiltration
percis matsuii
pererls-nabarro force
photoinduced strain
pilot-balloon plotting board
polite language
pool-type rector
prickly pear cactus
pterygoquadrate
Ransbach-Baumbach
reconcilements
RmGshT
runcinate leaf
sallade
scientific issues
sea breams
sial sphere
side channel spillway
soi performance
Spiradiclis bifida
split hopper dredger
statement of applicability
stylists
tactical model
temporary assembly
the grape
two-piece wedge
unique gene combination
upper leaf
well-adorned