[网络] 人类胚胎;人胚;像人類胚胎

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(113) / 评论(0) 分类 疯狂英语2002年

I can see the muscles that make up my face, my skull, and my own brain. So, now I can take you on that journey into my ear in a way that’s never been possible before. This time we can fly straight t

发表于:2018-12-07 / 阅读(37) / 评论(0) 分类 生命物语

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(54) / 评论(0) 分类 2017年NPR美国国家公共电台3月

AILSA CHANG, HOST: Scientists recently made headlines when they announced they had figured out how to edit DNA in human embryos for the first time. This week, the scientists invited NPR health correspondent Rob Stein into their lab in Portland, Ore.,

发表于:2019-01-16 / 阅读(38) / 评论(0) 分类 2017年NPR美国国家公共电台8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(42) / 评论(0) 分类 2017年NPR美国国家公共电台9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(94) / 评论(0) 分类 2006年VOA标准英语(七月)
学英语单词
a movie queue
abdominal muscles
acrylic anhydride
actual population
air divisions
antidimming
antimony(v) oxysulfate
appraisal system
automation of broadcast continuity
ball-scintillator
barkas effect
Beyel
bloody vesicle
Bursa subcutanea acromialis
calicoan i.
capping us
carbon dioxide leakage
Carnlough
cave-in collapse
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chart numbering
chartlet
chemical enzyme
choline esterase inhibition
city region
coat-collar
concurrent negligence
crap on
dalgarno
de dato
deepfried
desakota
direction of closure
doxapram
emergency theory of emotion
endo-beta-N-aeetyl-glucosaminidase
energy chamber
Erichsen's spine
ethologo palaeontology
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gear burr machine
heparin-sepharose
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imbrauthery
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it's a long story.
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kibera
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lerone
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pharyngeal portion
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Ricardo Franco, R.
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