胚核

[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(434) / 评论(0) 分类 历年考研英语阅读理解

Identicals share one of the closest human relationships biologically. They are likely to grow up looking and sounding extremely similar, yet not a 100% match. A small number of genes in the mother's eggs sit outside the nucleus, known as mitochondria

发表于:2018-12-05 / 阅读(133) / 评论(0) 分类 国家地理2007年

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

'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(122) / 评论(0) 分类 2015年VOA慢速英语(三)月

1. nuclear a. 核子的,核能的 2. nucleus n. 核 3. retail n. /v. /ad. 零售 4. retain vt. 保留,保持 5. restrict vt. 限制,约束 6. sponsor n. 发起者,主办者 vt. 发起,主办,资助 7. spur n. /vt. 刺激,激励 8. trium

发表于:2018-12-18 / 阅读(140) / 评论(0) 分类 大学四六级阅读

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(135) / 评论(0) 分类 Scientific American(十二)月

new a.新的;没经验的;重新开始的;新发现的 news n.新闻 newspaper n.报纸 next ad.其次 a.下一个 prep.靠近 n.下一个 nice a.美好的;正派的;令人高兴的;细微的 niece n.侄女,外甥女 night n.夜晚;黑暗

发表于:2018-12-30 / 阅读(184) / 评论(0) 分类 大学英语四级词汇拼读版

Finland Finland is an enormous land of lakes and forests. It's the largest, totally unspoiled area in Europe. Around 65% of Finland is made up of forests. The genius of the Finns lies in their commitment and coexistence nature. On the other hand, nat

发表于:2018-12-31 / 阅读(521) / 评论(0) 分类 有声杂志阅读

Macrophages - cells derived from monocytes which have the ability to phagocytose foreign particles and dead tissue and to move through tissue, or to remain fixed in one place. There are many macrophag

发表于:2019-01-03 / 阅读(176) / 评论(0) 分类 医务英语

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

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

SCIENCE IN THE NEWS - Americans Win All the Nobel Prizes for Science in Two Thousand SixBy Nancy Steinbach Broadcast: Tuesday, October 17, 2006 VOICE ONE: This is SCIENCE IN THE NEWS in VOA Special En

发表于:2019-01-30 / 阅读(167) / 评论(0) 分类 2006年慢速英语(十)月

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(244) / 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(285) / 评论(0) 分类 阅读空间

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(146) / 评论(0) 分类 新西兰英语

Reproductive technology 生殖技术 Mum, Dad and Mitomum 妈妈,爸爸与代孕妈妈 Britain may allow babies with three biological parents 英有望允许新生儿有三个亲身父母 ASSISTED reproduction is one of those rare areas in which Br

发表于:2019-02-16 / 阅读(179) / 评论(0) 分类 经济学人科技系列

Science and technology 科学技术 The nature of humanity 人类本质 What's a man? 什么是人类 Studies of brain genetics are starting to reveal what makes humans human 大脑遗传研究,为你解开人之所以为人的奥秘 THE problem wi

发表于:2019-02-16 / 阅读(202) / 评论(0) 分类 经济学人科技系列

What's wrong with having three parents? I'm happy with two but maybe it would have been a case of the more the merrier. The role of parents is not only to give us love and guidance, but also to pass on genetic code. A few particular healthy genes wou

发表于:2019-02-21 / 阅读(106) / 评论(0) 分类 英语听力精选进阶版
学英语单词
Anegam
antenna effective noise temperature
araiocardia
automatic intercept system
automatic ram control valve (arcv)
Bajda Ridge
Balezino
basic hostility
basic scheduling strategy
Bednodem'yanovsk
broken rice
cannot very well
Cefradal
chymus
clinker grinder
coining value of an ounce of gold or silver
colanguage
composite risk
compositional disorder
councilism
crack tip field
crystalline tea
datelined
datum plate
decision approach
deiodination
derussianization
dideoxyribonucleoside triphosphate
elliptic curve cryptosystem
eustatic change of sea level
family practitioner
feel exhausted
fertiloscopy
finigraphical
freight bill
gashes
grain skeleton
Gvarinite
half-gas firing
hassled
heep
hessian (cloth)
high-level network service
highflyer
imaging spectrometer
international system of electrical unit
is at pains
joint sufficiency
keyed damped waves
La Danta
lief or loath
local station
machine with open-circuit ventilation
megacentres
Meskhetians
natural brewing
no-time dough method
noncontacting laser device
octerotides
oil palm
olive-kernel oil
open corporation
pellet corona
phenylbutyne dibromide
Philibertiella
photobomber
photometric elements
photosynth
phrases
PJAK
Prince Rupert
proto-actinium
ram turbine
recolation
refractory ash
relevant to
repastination
repressionism
reverse hook clasp
rolled metal equipment
roof expansion joint
rubai
sangviritrin
satrapic
shoving
sindicatos
spin base
steam jet air ejector
stereoregular
Stieglitz
synchronized-signal
three phase E-core
transversary
Umm Nābiyah
ungrained
unlawful act
unthinkers
uranium(iii) fluoride
uselessest
wet assey
Whitmonday
Zanzibars