甲基丙酮

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(467) / 评论(0) 分类 2016年VOA慢速英语(十)月

Simple New Test Detects Early Signs of Diabetes 新型简单测试或能检测出糖尿病早期迹象 People with Type 1 diabetes, usually diagnosed in children and young adults, must take insulin injections and watch their diet to keep their blood

发表于:2018-12-16 / 阅读(349) / 评论(0) 分类 VOA标准英语2015年(一月)

Air pollution outside is easy to spot, hanging over the city, or sputtering from a tailpipe. But there's lot of indoor air pollution, too, even if it's not as obvious. It's caused by volatile organic compounds, or VOCs. They can come from building ma

发表于:2018-12-24 / 阅读(432) / 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(511) / 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(498) / 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(464) / 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(471) / 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(531) / 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(543) / 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(521) / 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(549) / 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(594) / 评论(0) 分类 VOA常速英语2013年(十月)
学英语单词
a one-night stand
actinotrocha
adrenocorticohyperplasia
aiolopus thalassinus tamulus
albuginea oculi
ammonio-
anthracene violet
application
austrian movement
avoidance of injury and death accident
Ban Taviang
bay laurels
believism
bogwood
bomb sight
breakage of coal
bureau international de'l heure
Ch. Ch.
chinese brown rat
claims demand compensation
coefficient overal
crosbite
cupric sulfophenate
cuzs
darran
definitly
Dejerine-Sottas disease
density of quantumstates
disc type flaw
dog - eat - dog world
doofus
doorknob tube
draw tube slide-trombone
duoliteral
Eastnor
efficiency of an impulse voltage generator
electric contact liquid level indicator
embosomin/with
energization
esmonds
final original
fire -resistant
fire-door
friable rock
fuel injection governor
ganoderma multiplicatum
haemorrhagic disease
hemorrhagic polioencephalitis
high-strength manganese bronze
Hogarth's line
Howell-Bunger valve
hypocotyledonary axis
inert metal indicated electrode
Ismide
isosorbide mononitrate
keyless coupling
long arc positioning mode
magnet chamber
marine slipway cradle
mcgruder
menid
Monsel
neotetrine
neuropathists
nominal earnings
oscillator section
oxygen-enriched air roasting
palatal rugae
palilogy
period order quantity
pierre de fermats
powdering inlet
rarefaction state
rational metamathematics
refractory repairing mass
reticle-mosaic system
retinitis punctata albescens
ride gating
Saint Olav
screening process
sickler
single malt whisky
single straps
starting at sliding parameters
strongheartedly
table-tennis racquet
taureus
taxation of property
two stage regulator
ulota crispa
union-bashing
unparticipated
vercingetorix
viandite
wealy
Web syndication
well cementing ship
WIPON
Wiston
wombat
yeshu
zipper heads