音标:[meθɪleɪd'naɪn] ;
n. 甲基腺嘌呤

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(65) / 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(116) / 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(112) / 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(66) / 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(138) / 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(113) / 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(147) / 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(117) / 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(140) / 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(100) / 评论(0) 分类 VOA常速英语2013年(十月)
学英语单词
(musculus) obliquus externus abdominis
A.L.
achers
adjustable-speed magnetic clutch
alcoholic hallucinosis
anti-knock block
aristotelia racemosas
artema atlanta
Awahikro
balancing machine
Baldazzi's reflex
BCS ground state
be of interest to
beam micrometer
bell cap
bente
bittours
border spring
Carex rhizopoda
case having a federal element
Chimerica
clypeiform
code check
completely simple semigroup
compression rod
crystallographers
ctenopteris mollicoma
debt poolers
delagnes
desordre
desoxyriboside
dial type resistor
die yoke
diplopias
Edison storage battery
equivalent n-th modal unbalance
expect me when you see me
external spermatic nerve
farinaceous ipecac
femtoseconds
franckeite
freshmanships
furnish sth for...
generalisers
geographical pole
gradient type tea stalk-sorting machine
grandoe
gravity instrument
hastatum
hooker boots
horn cutoff frequency
illusionisms
in-
inorganic chemists
instant-message
intercepting trunk
latent symmetry
legitimation of illegitimate child
Mearah
miniminess
Moraceae
necclygency
Nizhniy Lomov
Nocardiopsaceae
note of admiration
operation level
oven fusing
overcompensating
palmar hyperhidrosis
parcheesi
party-liner
photoception
photoelectric transmittance meter
plane skylight
producer gas plant
prosopography
prototunicate ascus
ready-to-serve food
reimbursement action code
requirements contracts
RIEGELS
roil
Schinveld
second axion of countability
sheela
side type jockey
slat crimper
speedboats
spiral four
stifle
sumo wrestler
teller terminal
termas
test of the significance of difference
tricked-out
unbalanced drill collar
under house arrest
unneatened
variable diaphragm
vender's list
water-supply station
you're having a laugh