[医] [冯]施佩氏胚胎(1.5毫米人胚胎,约20天)

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(565) / 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(823) / 评论(0) 分类 历年考研英语阅读理解

Avon is the worlds largest cosmetics and perfume company. Its also one of the oldest. It was founded in New York in 1886 by a door-to-door book salesman David H. McConnell who gave away perfume to encourage sales. The perfume became more popular than

发表于:2018-12-06 / 阅读(483) / 评论(0) 分类 各大品牌英文介绍

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(384) / 评论(0) 分类 万花筒2006年

Social Media Drives Publicity in Trayvon Martin Case Across the United States, African Americans mobilized in memory of 17-year-old Trayvon Martin, and in protest over the fact that the man who shot him had initially avoided criminal charges. Early o

发表于:2018-12-16 / 阅读(386) / 评论(0) 分类 VOA标准英语2012年(五月)

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(415) / 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(536) / 评论(0) 分类 英语讨论

Without warning today, president Obama decided to blow open the argument about race and bias in America, calling on the nation to do some soul searching, and six days after the verdict getting personal, he said he could have been Trayvon Martin. Afte

发表于:2019-01-07 / 阅读(472) / 评论(0) 分类 万花筒2013年

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(467) / 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(441) / 评论(0) 分类 英语新闻

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(406) / 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(425) / 评论(0) 分类 2017年NPR美国国家公共电台9月

RS: I'm Rosanne Skirble with Avi Arditti, and this week on Wordmaster: Shakespeare in American English. This is the seventy-fifth anniversary year of the Folger Shakespeare Library, home to the largest collection of Shakespeare materials in the world

发表于:2019-01-25 / 阅读(482) / 评论(0) 分类 词汇大师(Wordmaster)

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(456) / 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(572) / 评论(0) 分类 2006年VOA标准英语(七月)

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(554) / 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(390) / 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(405) / 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(384) / 评论(0) 分类 有声英语文学名著

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(342) / 评论(0) 分类 经济学人综合
学英语单词
a cappella
abbatis villa
accounter
adenoceles
adjustable tilt conveyor
Antophan
arite
asbestos suit
assidence
at first sight
atheroprotected
balketh
beam with variable cross-section
bimlipatam
breche
bring into fullplay
cat and rats
cat-head
catte
centrodraco acanthopoma
characteristic time
coefficient of amplification
complex thread class
conversion at market price
cotton breaker
Daddy's girl
dead-birth
dealer agreement
doll-liker
drive axle maximum input torque
earthquake shadow
engaging arm
extender
false-zero test
felt calender
ferrule-extractor
fish net
fistulobalanus kondakovi
flat strand rope
floor arch
flowerages
flux-and-standing pouch
fovea sublingualis
fraternalization
frightfulnesses
general relativity theories
geochemistry of rare element
geodal
get your teeth into sth
Groundhog Day
h.q.s
halakoth
handmass
hanepoots
j-school
jack-o'-lantern
Kelelmeer
keyword table
kingpost rafter
Lettered Rules
long-line current
mammogramme
microwave radar receiver
monocero
moral injury
moulded rubber
mullein flower
musculi extensor carpi ulnaris
Naramay
optical exciting pulse
oulorrhagia
paixtle dance (mexico)
paraelectric state
Picea asperata Mast.
polydesoxyribonucleotide
positive covenant
probable error of index
Pwrite
Quasi money
rebuilt truck
remission rate
Rio Verde
scavenge pressure fuel oil limit
selenophosphate synthetase
sheet stackers
sideslipping
Sintoo
skim coating
sommerfrische
Spanish psyllium seed
stonelessness
supernova remnant
tears off
thallic formate
thinking-shift
thyroidacropachy
Tibagi, R.
trollings
turnleys
velikoes
velocity augment function
voltage tuning oscillator