去甲基核黄素

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(49) / 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(96) / 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(97) / 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(51) / 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(126) / 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(90) / 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(131) / 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(99) / 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(127) / 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(78) / 评论(0) 分类 VOA常速英语2013年(十月)
学英语单词
A bow long bent at last waxes A bow long bent grows weak.
Accladium
Acetophenolisatin
adversive
alligator tears
alter the economic relations
AM receiver
aminocyclohexane
angiocardiopneumogram
antecostal sulcus
Articulationes fibrosae
ausion
bad bitches
be nasty to sb
bell-bearers
biennial laminaria
blow through valve
boundedness principle
break over
burning tip
butt out
calcium oleate
casualty report
catoptric element
championesses
channel grant
chloro-acetyl iodide
ciliary band
circumscriped mammary tumor
cobbler's chest
construction expenditure special
cooperative binding
cyclomer
cystic bursa
descriptive-geometry
diffuse bronchiolectasis
diodeelectrode
doucet
exogenous business cycle theory
fishing condiutions
fosback
full-piece woven carpet
guttra
haill
helpee
hirciner
Hwangyong
hydroline
Indian mynah
jacket water temperature
joint surface
Juine
knotter jaw
lagoon scarp
lagosuchids
lean lime
light ruby silver
lock sb into sth
log indicator
Machel
majority-minor sorting
mayeda
meoued
multiple column tariff
neutral substance
newman barometer
onetti
Ordzhonikidzegrad
passive safe storage
perisoxal
phlogogenous
phyllosphere
pitch-pin
polio vaccine
provisional tariff
refuse operation
Reserpex
retrocorneal
savagize
scared up
self-compiling compiler
sepawns
snaking
spherands
spherical parabola
spiritualisations
stellaria dichotoma l.var. lance-olata bunge
supertransformation
tamper-resistant
tensiometry
textolite
Thladiantha hookeri
trim-tab control
troop truck company
ultrasonic sounding
under drive press
utility syntax guidelines
varsity sock
vertice
vulval cleft
whitewood
zoarcess