发育完善的胚

Modern Living The Seans' Caged House Sean (husband): When an architect designs a house for themselves and their family, they have to attempt to 1)accommodate those, needs of the family. That's that's

发表于:2018-11-28 / 阅读(224) / 评论(0) 分类 疯狂英语2004年

[00:00.00]在线英语听力室( www.tingroom.com )友情制作 [00:03.81]1999 Passage4 [00:07.51]When a Scottish research team startled the world [00:10.54]by revealing 3 months ago [00:12.61]that it had cloned an adult sheep, [00:14.94]President Clinton move

发表于:2018-12-01 / 阅读(433) / 评论(0) 分类 历年考研英语阅读理解

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(123) / 评论(0) 分类 万花筒2006年

Little girls are made of sugar and spice and, according to a study published in the journal Cell, a fierce determination to maintain their girlishness. Because it seems that a single gene keeps their ovaries from turning into testes. Scientists have

发表于:2018-12-24 / 阅读(134) / 评论(0) 分类 Scientific American(十二)月

Jackie: Welcome to BBC Learning English dot com and Insight Plus - a series first broadcast in 2001 that looks at the language of issues you hear about in the news. How far should science go to help the sick and the suffering? Today on Insight Plus,

发表于:2019-01-07 / 阅读(220) / 评论(0) 分类 英语讨论

Misconception. A stunning story especially for couples having trouble having kids. One Michigan couple learning that their frozen embryos were gone, implanted into another woman by mistake. They were understandably flooded by the news -- or floored b

发表于:2019-01-08 / 阅读(167) / 评论(0) 分类 CNN2010年(五)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(137) / 评论(0) 分类 英语新闻

HEALTH REPORT - New Embryonic Stem Cell Lines Developed for Researchers By Paul Thompson Broadcast: Wednesday, August 11, 2004 This is Gwen Outen with the VOA Special English Health Report. Researcher

发表于:2019-01-08 / 阅读(169) / 评论(0) 分类 健康与经济

RACHEL MARTIN, HOST: Scientists doing embryo research are facing some sensitive questions over a new generation of scientific experiments, questions like how long should scientists be allowed to keep human embryos alive in their labs to study them? A

发表于:2019-01-16 / 阅读(155) / 评论(0) 分类 2017年NPR美国国家公共电台3月

ARI SHAPIRO, HOST: For the first time, scientists have altered the DNA in human embryos to make a fundamental discovery about early human development. Scientists say this proves that modifying genes and human embryos can reveal powerful insights into

发表于:2019-01-16 / 阅读(149) / 评论(0) 分类 2017年NPR美国国家公共电台9月

He was the embryo of the very thing we were trying to do consciously. He had started with bossa nova, and he had added rhythm'n'blues and rock'n'roll to his thing. And he had a new synthesis that prefigured everything the Tropicalistas wanted to, to

发表于:2019-01-22 / 阅读(239) / 评论(0) 分类 自然百科2012年

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(219) / 评论(0) 分类 英伦广角

By Deborah Tate Washington 17 July 2006 The U.S. Senate Tuesday is expected to approve federal funding for expanded embryonic stem cell research, despite a veto threat from President Bush who opposes the idea on moral grounds. -------- On the eve of

发表于:2019-01-31 / 阅读(243) / 评论(0) 分类 2006年VOA标准英语(七月)

By Kate Pound Dawson Bangkok 06 October 2009 Australian $100 note, 06 Oct 2009 The Reserve Bank of Australia has raised its official interest rate by a quarter of a percentage point. The move makes Australia the first developed economy to raise rate

发表于:2019-02-03 / 阅读(127) / 评论(0) 分类 VOA标准英语2009年(十月)

20 top predictions for life 100 years from now Last week we asked readers for their predictions of life in 100 years time. Inspired by ten 100-year predictions made by American civil engineer John Elfreth Watkins in 1900, many of you wrote in with yo

发表于:2019-02-05 / 阅读(285) / 评论(0) 分类 阅读空间

Reporter: A universal two-child policy is expected to be passed by the top legislature by the end of the week as it concludes its latest bimonthly session on Sunday. The new rules would come into effect on January 1. Zhai Zhenwu, Head of the China Po

发表于:2019-02-06 / 阅读(123) / 评论(0) 分类 英语新闻

During the weekend, 2 couples and their families invited the media newspapers, TV and radio to interview them about embryo donation. The first couple had two teenage boys and the second couple had a 3-month old baby girl. Couple 1s 16 year old son wa

发表于:2019-02-06 / 阅读(145) / 评论(0) 分类 新西兰英语

Brave New World by Aldous Huxley Chapter Eight OUTSIDE, in the dust and among the garbage (there were four dogs now), Bernard and John were walking slowly up and down. So hard for me to realize, Bernard was saying, to reconstruct. As though we were l

发表于:2019-02-16 / 阅读(139) / 评论(0) 分类 有声英语文学名著

The first high-end server independently developed by a Chinese company has made its debut in Beijing. The Tiansuo K1 System, a fault-tolerant server developed by the Shangdong-based Inspur Group, was put on the market after four years of research and

发表于:2019-02-21 / 阅读(145) / 评论(0) 分类 英闻天下

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(119) / 评论(0) 分类 经济学人综合
学英语单词
2.5g
Adasept
ADIABEN
advance free of interest
algid stage
allocation of inventory costs
anti-vibration spacer bar
Arabian jasmine
Arnd alloy
astrophotometrical
autin
biasse silk
bishops castle
bounded approximate unit
Cerapachyinae
cibelon
cleansing doctor
close-linked system
Comenianism
conjectures
courchene
criterion variable
crown colony
Dakshin Bāhra
debt-holders
decrete time
delineators
diagonal matrixes
dicling
divinities
drain drift region resistance
dullards
economy aggregate model
effisax
electrically erasable rom
famegana alsulus taiwana
fideicommissaria hereditas
field artillery observer
formimido ether
gatedchannel
Guston, Philip
heele
hog still
homothety
husk aspirator
hydrolized leather meal
increases
infinite rejection filter
input with open collector
law of wake
low-down-payment
lusso
Lythraceae
male and female flange
Mayer's solution
media converter
mesenchymal tissue
metacetonic acid
multiple-drum boiler
nancekuke
negative asset account
numeric paging
nursery school
ophiologist
out-act
outermer
p-Hydroxypropiophenone
parrot's beak
pedatus
pin-fin tube
potatorum
Potyomkin
poufed
primitive communism
production-possibility frontier
pseudotrack
purinyl
reaction structure
rectangular hysteresis loop material
refludon
regular ramification
resource recovery
safety shim
satterfields
selen-tellurjum
semi-rotative machine
sensor circuit
siddal
stabilization treatment
state building
sulfite fermentation
T. L. R.
Tanlay
testamentary document
That's the end.
towed ctd
tracking missile with TV
triple-barrel carburetor
unstable atmospheric condition
volume moulded per shot
waiting
wef