三芳甲基

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(151) / 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(188) / 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(197) / 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(168) / 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(207) / 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(194) / 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(224) / 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(200) / 评论(0) 分类 VOA2003(下)-环境与健康

An industrial venture once celebrated as a symbol of reconciliation between the two Koreas may be endangered by a sharpening dispute between the two sides. North Korea is essentially tearing up the agreements that make the zone run. North Korea's of

发表于:2019-01-13 / 阅读(190) / 评论(0) 分类 VOA标准英语2009年(五月)

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(209) / 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(220) / 评论(0) 分类 VOA常速英语2013年(十月)

By Gilbert da Costa Abuja 16 October 2006 An international campaign to draw attention to the huge agricultural potential of the Sahel drylands of Africa is gaining ground, with a recent workshop in Niamey, the capital of Niger. The campaign seeks to

发表于:2019-02-02 / 阅读(269) / 评论(0) 分类 2006年VOA标准英语(十月)

Jurors in Australia's biggest terrorism trial found six Muslim men guilty of being members of an extremist group that plotted to wage what prosecutors called violent jihad in the city of Melbourne. Four other men have been acquitted of related charg

发表于:2019-02-04 / 阅读(171) / 评论(0) 分类 VOA标准英语2008年(九月)

By Rosanne Skirble Washington 01 April 2007 The wife of presidential candidate John Edwards renewed her fight against breast cancer this week. Elizabeth Edwards is one of three million women in the United States living with the disease. Of the 275,00

发表于:2019-02-04 / 阅读(206) / 评论(0) 分类 2007年VOA标准英语(四月)
学英语单词
adult female body
air hammers
armourless
at some stage
autogenomatic
babyhood
bagrease
Bansihari
barkevikite (ferro-hornblende)
basic open-hearth furnace
be afflicted at
biological hologram
blast table spreader
Changan-ni
cold tarring
daddyish
deep-frying
delexicalizing
demetallized
desexualizers
distortion inequality
dorser
double-shaft turbine
doublepulse
drag cut
effective band
Eimerlina
electrodeposition metal
electron-beam channeling
English positives
enwealthy
external labeling
family situation
feedforward compensation
frame grider
genus coleonyxes
go chase themselves
gold amalgam
great saphenous venotomy about ankle
harnzucker
hazard-free flip-flop
helmholtz's ligament
high-gravity
hoopes
i-called
instalment distribution liquidation
ipsec
Jocob's staff
josaphat
kibblings
kneehigh
KYPO
lactosiderophilin
laser radiation technology (larat)
Levine's eosin-methylene blue agar
limited information method
little end
lubricated flush fluid
make-busy key
mammie
manipulatrion of security market
megaexo
Michalis
Mohr's strength theory
mufti
Mumford
Möng Hkok
neb-tide
neiphew
niuatoputapus
non-holographic
nonstrange
OpenReader
paddle impeller
Pan-African
platelet count
rate expression
rayner
real interval
rotiform
Runge-Kutta-Felhberg method
runway gear
semiadjustable articulator
sporangial initial
sub-boreal age
tauromycetin
terminal capacitive load
tie wrap
torfer
transnational corporation
triatomic base
trichophyton microsporon ectothrix
type of frequency distribution
upset the dope
water fights
weathercock
weidemller
welding groove
whatsa
without further ado
wordbreak
wumme