N-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(107) / 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(113) / 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(122) / 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(164) / 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(173) / 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(145) / 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(185) / 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(173) / 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(201) / 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(172) / 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(191) / 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(191) / 评论(0) 分类 VOA常速英语2013年(十月)
学英语单词
acetylglucosaminide
advisory fund
ahte
amollishment
antialiased
archicoel(e)
arcsinh
automatic guidance
ball returns
baris
beater-uppers
Beckman flow colorimeter
blanditude
blood-suckers
bring to gaff
carnifications
caudatus
circadian dysrhythmia
column wrap
compensation reservoir
cowpools
cutometer
damage-limiting
deania calcea
Defen-LA
derived table
discontinuities defect in materials
document glass
duct propeller
ear return
Endometrosis
erysimoside
extractor(-ter)
extrapolated method of discovery ratio
Foxtrot Uniform
g rap
gallesh
geography of the ocean
geostrophic momentum approximation
glossolaly
gram molecule
Hanzi frequency count
harmonizing Shaoyang
helas
hold up one's end
holodontus
huges
hypernatraemias
indemnity basis
industrial thermal technology
intensive-care
iridous chloride
iron resistance
jawnes
Kalpi
leave out
Lithrodes
logarithmic sweep
Louis Philippe I
lung osteo-arthropathy
machine check interruption
matched joint
maximum retention time
memory support capability
motor bed plate
movie bug
nonproteinuric
nonus
outseek
outstriking
pharmacopeic
point-gauge
political reality
portofinoes
proofers
ptyelus tamahonis
public camp ground
pythium coloratum
quarter-caste
Ranken R.
repeating tie
resonance loss
rig iron
rrnd
solid acid catalysts
somatic hypermutation
source statement directive field
spagyrical
speargrass
stapped
stromatous
ternatanus
thermal induced optical distortion
thin sheet flow
trellis window
Tyndall effect
unwindase
vinylpyrene
votebanks
Web site usability
zero order correlation