[化] 咖啡因; 甲基可可碱

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(100) / 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(156) / 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(154) / 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(120) / 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(174) / 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(157) / 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(191) / 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(156) / 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(183) / 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(168) / 评论(0) 分类 VOA常速英语2013年(十月)
学英语单词
advertize
after fender
anhematopoietic anemia
arabinofuranosylmethylcytosine
attaining
Ayutthaya Ayuthea
back tool rest
backs-to
beefalo cattle
bhf
brazilian-style
bucksome
cam spring
chloroperoxidases
coarse sieve
codification conference
coleoptile(coleoptilum)
collateral-trust bonds
colo(u)r temperature filter
concava
copper(i) sulfate
Corbett, James John
crack-brained
cumulative injection
cyclone evaporator
Dalayn Hural
daylight vision
dbe horizontal seismic force
decriminalises
dentine matrix
dewatering centrifuge
dicrease
drites
enter and exit the country
fail safe alarm
feeler guide slide
field-effect quadrode
firmer
freeloadings
gainey
genus Nasalis
GO/NO judgement
gospoda
gravity type structure
Gynoplix
kanaima
kickstand
Kovero
light-sensitive mosaic
Ludlow beds
lurtsema
lyclene yimingcheni
margie babbitt
Maryal Bai
Mazus solanifolius
microbial enhanced oil recovery
millettia purpurea yatabe
multiboot
nonlegislator
other energy storage
over-uberous
paletted
parallel/serial register
payment record
perestroikan
pivoting eccentric
POCY
printing hammer
prison
pyrus serrulata rehd.
quartz filter
quinestradol
rack and pinion rotation mechanism
radio-linked seismometer network
raspberry jam wood
regentrifying
research and extension
resultant cutting pressure
Roldal
roll steering
roughing tool
savings bank trust
sb's hands are tied
selected time
Simulium vittatum
single-tee joint
speltmeal
spreading out
squeezing action
stabilizer tower
Swallow Counter
synchorial
syndrome of cold in blood
taiwan bulbul
thermodynamic solution theory
toll timing system
top-enders
two-contingency system
umblement
upper sprocket wheel
weight-lifts
within hearing distance