[医] 雅诺西克氏胚(具有三个主动脉弓和二个鳃囊的胚)

There’s a news poll out tonight on another major controversy: human cloning. When asked whether scientists should be able to clone human, 85% said no, 11% said yes. Congress is working on legislatio

发表于:2018-11-28 / 阅读(225) / 评论(0) 分类 疯狂英语2002年

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(193) / 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(391) / 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(109) / 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(120) / 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(197) / 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(156) / 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(120) / 评论(0) 分类 英语新闻

SCIENCE IN THE NEWS - American Scientists Create The World's First Genetically Engineered Monkeys CHRISTOPHER CRUISE: This is SCIENCE IN THE NEWS, in VOA Special English. Im Christopher Cruise. JUNE SIMMS: And Im June Simms. Today, we tell about the

发表于:2019-01-12 / 阅读(128) / 评论(0) 分类 2012年VOA慢速英语(二)月

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(145) / 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(134) / 评论(0) 分类 2017年NPR美国国家公共电台9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(196) / 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(224) / 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(272) / 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(110) / 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(133) / 评论(0) 分类 新西兰英语

When I was growing up in Montana, I had two dreams. I wanted to be a paleontologist, a dinosaur paleontologist, and I wanted to have a pet dinosaur. And so that's what I've been striving for all of my life. I was very fortunate early in my career. I

发表于:2019-02-16 / 阅读(126) / 评论(0) 分类 英语语言学习

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(122) / 评论(0) 分类 有声英语文学名著

Oocyte cryopreservation, or egg freezing, is a procedure where a woman's ovum are removed, frozen and placed in long-term storage. When the woman is ready to become pregnant, the eggs can be thawed, fertilized and transferred into her uterus. The tec

发表于:2019-02-18 / 阅读(121) / 评论(0) 分类 英语新闻

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(111) / 评论(0) 分类 经济学人综合
学英语单词
3-Ethyl-4-picoline
a.w.o.l
abstract formal model
aleyrodiform
anti-isomorphous to fluorspar structure
anyfing
Axminster
bale density
barking up the wrong tree
batch injection calorimetry
biosenser
Boston ivy
BT Tower
bumper angle
cardiac work index
cauldron subsidence
chionophilous
chirosporous
chloromethylsulfonyl
circular reaction
closed circulation system
consumption of pectoral qi
control air type reducing valve
counseling intervention
crinoidal
demiglace
discharge casing
doomeranger
Dorema ammoniacum
double seal manhole cover
down-easter
egalitarian
elaboration of alternatives
eletronation
Epimedium brachyrrhizum
fumblingly
get ready to
glacial acetic acid
Gourél Kéa
gravity bomb
grey snapper
guastella
half coupling
heath-bell
history of repeated attack
hyper text markup language
hyper-eutectoid steels
imaginary test
inspection shaft
integral scale
Keban Barajι
landlordisms
leading edge down (led)
long-run labor demand
lucerne
lympgomyxoma
Magas(Mazaj)
maintenance study
medical pluralism
microcannulas
modal of vibration
net inflow of funds
ohmeter
omnifocal
para-phenylene diamine dihydrochloride
paratrichius vittatus
particulate matter in sea water
Phenchlor
philaenus mushanus
plunger-type pickling machine
plutonic breccia
preppie, preppy
propithecus verreauxi
protectives
put - up job
quasi-real-time
radices curcumae zedoariae
radioimmunosorbent test
RE STAGE (regenerative stage)
reciprocating plate column
rectilinear ordinates recording instrument
rudder bearding
sapphisms
semi-mechanization
ship in vicinity
Sibayi, L.
spectral density meter
stillingine
summer tank pipe
supply delay time
teaching principles
termination of session
theklas
three leg sling
tormichin
Tozeur, Gouvernorat
tseikomycin
waiting for
white leghorn chicken
white-only
Z Camelopardalis star
Zsigmondy gold number