[医] 成胚过程

SCIENCE IN THE NEWS -January 8, 2002: Top stories of 2001 By Nancy Steinbach VOICE ONE: This is Bob Doughty. VOICE TWO: And this is Doug Johnson with the Special English program SCIENCE IN THE NEWS. T

发表于:2018-12-07 / 阅读(155) / 评论(0) 分类 科技之光

This is the VOA Special English Agriculture Report. Cloned dairy cows at a farm in Maryland The United States government has decided that food from cloned cattle, pigs and goats is safe to eat. The Food and Drug Administration also says it found no

发表于:2018-12-07 / 阅读(138) / 评论(0) 分类 VOA慢速英语2008年(一)月

New Solar Cell Minimizes Environmental Risks in Manufacturing Process 新的太阳能电池减少生产中对环境的危害 Scientists in England report the development of a new solar cell that minimizes environmental risks in the manufacturing proc

发表于:2018-12-08 / 阅读(189) / 评论(0) 分类 VOA标准英语2014年(六月)

Imagine being able to override Mother Nature and hand-pick the physical appearance and intellectual traits of your unborn child. Well, thanks to modern science, what may seem far-fetched now could be

发表于:2018-12-11 / 阅读(159) / 评论(0) 分类 万花筒2006年

'Three-Person Babies' Debate Goes Beyond Science and Religion 三人创造的人类胚胎辩论超越科学和宗教 Britain has become the first country to permit doctors to use genetic material from three people to create human embryos. The process

发表于:2018-12-16 / 阅读(143) / 评论(0) 分类 2015年VOA慢速英语(三)月

Supercharged Plants May Mean More Crop Production 增压植物或能大量增产 One day, supercharged plants may help feed people around the world. Supercharged plants are ones that grow faster than normal plant life. Scientists can speed up the gro

发表于:2018-12-16 / 阅读(133) / 评论(0) 分类 2016年VOA慢速英语(十二)月

Section (C) Twins Six Years Apart Scientists in Scotland recently announced that, for the first time, they have cloned an exact copy ofan adult mammal. The cloned lamb, named Dolly, has the exact same genes as the adult sheep fromwhich she was cloned

发表于:2018-12-29 / 阅读(179) / 评论(0) 分类 新视野大学英语读写教程(3)

HEALTH REPORT - Scientists Develop Stem Cells Without Loss of EmbryosBy Caty Weaver Broadcast: Wednesday, August 30, 2006 This is the VOA Special English Health Report. Researchers say they have found

发表于:2019-01-02 / 阅读(137) / 评论(0) 分类 2006年慢速英语(八)月

HEALTH REPORT - Gene Therapy Used to Treat Cancer | Stem Cell Study Leads to Criticism, QuestionsBy VOA Staffs Broadcast: Wednesday, September 06, 2006 This is the VOA Special English Health Report. A

发表于:2019-01-02 / 阅读(217) / 评论(0) 分类 2006年慢速英语(九)月

If the human genome is the book of life, then Crispr technology is its Microsoft Word. The cut-and-paste technique, invented only three years ago, can be used on fledgling genomes to snip out bits of DNA and, if required, insert new stretches. 如果说

发表于:2019-01-08 / 阅读(169) / 评论(0) 分类 英语新闻

This is the VOA Special English Agriculture Report. The United States government wants to know what the public thinks about its findings on the safety of cloned animals. Cloned dairy cows Cyagra, left, and Genesis at a farm in Maryland The Food and D

发表于:2019-01-11 / 阅读(137) / 评论(0) 分类 VOA慢速英语2007年(一)月

By Tom Rivers London 19 May 2008 British lawmakers voted Monday to allow the use of animal-human hybrid embryos in stem cell research. These new embryos will be created in labs injecting empty animal eggs with human genetic material. For VOA, Tom Riv

发表于:2019-01-13 / 阅读(146) / 评论(0) 分类 VOA标准英语2008年(五月)

Scientists Sequence Smallest Genome Ever With Antarctic Fly 科学家从南极苍蝇测定最小基因序列 Scientists have just sequenced the genome of a fly native to Antarctica, the coldest, driest and windiest place on the planet, a finding that

发表于:2019-01-14 / 阅读(136) / 评论(0) 分类 VOA标准英语2014年(八月)

AUDIE CORNISH, HOST: What if scientists could genetically modify mosquitoes to wipe out a disease that kills hundreds of thousands of people each year? They're trying to do that with a new genetic engineering technique. They hope it will help them fi

发表于:2019-01-16 / 阅读(178) / 评论(0) 分类 2016年NPR美国国家公共电台12月

Now have you sinned since our last broadcast? The Catholic church is worried people aren't taking sins seriously enough. So the Vatican has decided to update its list of the seven deadly sins. But whereas the focus of the traditional sins--LUST, GREE

发表于:2019-01-30 / 阅读(239) / 评论(0) 分类 英伦广角

Background:意大利农民展示了一种据说能减慢衰老过程的正方形西红柿。农民协会说,这种西红柿含有大量的能减少人体细胞损伤的自然元素。 The new tomato was grown without genetic modification in the reg

发表于:2019-02-13 / 阅读(125) / 评论(0) 分类 英语听力精选进阶版

Fossil discoveries have begun to unravel the riddle of whale evolution, providing paleontologists with clues. Indohyus was a fox sized, even toed ungulate found in India. This herbivore was adapted to living in the water like whales, with a bony wall

发表于:2019-02-15 / 阅读(133) / 评论(0) 分类 英语时差8,16

Science and technology 科学技术 Cell biology 细胞生物学 On your marks... 各就各位 The first cell race in history may further knowledge about how cancers spread 历史上的首次细胞赛跑,可能增进了解有关癌症如何扩散的知

发表于:2019-02-16 / 阅读(158) / 评论(0) 分类 经济学人科技系列

When times are good, they exist as one-celled individuals, much like amoebas. 当年景好的时候,它们以单细胞的形式独立存在,很像是变形虫; But when conditions grow tough, they crawl to a central gathering place and become,

发表于:2019-02-17 / 阅读(150) / 评论(0) 分类 万物简史

Leaders 社论 Gene editing 基因编辑 The baby crisperer 婴儿保险盒 A Chinese scientist claims to have edited the genomes of two babies 中国科学家声称已成功编辑两名婴儿的基因 Humanity's power to control the four-letter code

发表于:2019-02-25 / 阅读(142) / 评论(0) 分类 经济学人综合
学英语单词
ac/ac converter
actest
acylpyridine
adiabatic compression ratio
air gap flux distribution
articular facet of costal tubercle
ascaphus truis
asynchronous termination
balzorine
Bioglio
business-driven
cadaverizable
Camellia fluviatilis
candytuft
carbonyl disulfide
Carnota
case-work
Chekkâ, Ra's
common part convergence sub-layer
compressed cotton bowl
construction of double eyelid
dejects
dollar stock
economic survey
energisings
extramarriage
fiduciary capacity
Flemish garden wall bond
flooded refrigerant calorimeter method
geoelectric
gingerols
ionizing
isochromatics
isopropylamino-S-triazine
Ivakoany
Kǔmgang-ǔp
lipoxin
maternal mortality
maximum indicating thermometer
measurement standard
mesomorphs
metallic foil
mispunding pattern
mould
multiple-gap lightning arrester
multisensor reconnaissance
Nineveh
NNTO
noncorrelated
outpedanting
outsubmarine
oxirenes
pan shifter
panel clata
parallel case
PCPD
phytophthora taihokuensis
pion beam
pistol-whip
place of arms
polycrystalline laser
prompt fission neutrons
pseudogeustia
Psorcon
pulse tachometer
punch adapter
r.b
radial wall
rancorous
Ripon
root name space
rosetting
RVAW
sats
see a red light
semantization
semiconductor thermometer
semiwet laboratory
sensor peen
sestines
shaving strop hook
silver bromide emulsion
slide fastener
soft finish
sonic alarm modules
SOS (share operating system)
spectrum-sliced fiber amplifier light source
stock reduction paste
sub-boundary structure
suntrust
sustained wind
swap action valve
symbolic circuit
tapebreak
tearduct
tonger
Topo, I.do
true vein
Vaudin
Watercrest
white muscular disease
ying blood