[胚] 胚胎内转

[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(368) / 评论(0) 分类 历年考研英语阅读理解

VOICE ONE: I'm Steve Ember. VOICE TWO: Charles Darwin And I'm Barbara Klein with EXPLORATIONS in VOA Special English. This month is the two hundredth anniversary of the birth of one of the most influential thinkers in science history. Charles Darwin

发表于:2018-12-07 / 阅读(180) / 评论(0) 分类 VOA慢速英语2009年(二)月

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(97) / 评论(0) 分类 万花筒2006年

Sleep is very ancient. In the electroencephalographic sense we share it with all the primates and almost all the other mammals and birds: it may extend back as far as the reptiles. There is some evide

发表于:2018-12-15 / 阅读(210) / 评论(0) 分类 新东方现代文背诵篇章

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

17.Evolution of sleep Sleep is very ancient. In the electroencephalographic sense we share it with all the primates and almost all the other mammals and birds: it may extend back as far as the reptiles. There is some evidence that the two types of sl

发表于:2019-01-02 / 阅读(436) / 评论(0) 分类 英语范文背诵20篇

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(184) / 评论(0) 分类 英语讨论

EXPLORATIONS - The Evolution of Spacesuits STEVE EMBER: Im Steve Ember. SHIRLEY GRIFFITH: And Im Shirley Griffith with the VOA Special English program EXPLORATIONS. Today we tell about the special clothes astronauts wear that protect them while they

发表于:2019-01-12 / 阅读(102) / 评论(0) 分类 2011年VOA慢速英语(四)月

Explorations - Great Thinkers: Charles Darwin and Evolution STEVE EMBER: Welcome to Explorations, in VOA Special English. I'm Steve Ember. This week, Barbara Klein and I tell about one of the most influential thinkers in science history. Charles Darw

发表于:2019-01-12 / 阅读(133) / 评论(0) 分类 2011年VOA慢速英语(十一)月

Book Chronicles Men's Evolution from Bread-Winners to Bread-Bakers With many mothers working outside the home, more fathers - such as New Yorker editor and cartoonist John Donohue - are cooking for their families. Donohue wanted to chronicle men's ro

发表于:2019-01-13 / 阅读(135) / 评论(0) 分类 VOA标准英语2011年(七月)

Sense of Smell Jumpstarted Brain Evolution Mammals have much bigger brains than other animals. Scientists aren't sure exactly why, but new research published this week in the journal Science suggests it might have something to do with mammals' acute

发表于:2019-01-14 / 阅读(144) / 评论(0) 分类 VOA标准英语2011年(五月)

'Man of Steel' Caps Superman's 70-year Evolution Superman's character rests on his dual nature. He was born as Kal-El on the planet Krypton, which was destroyed right after his parents launched him to Earth. Allusions to the story of Jesus are thread

发表于:2019-01-14 / 阅读(111) / 评论(0) 分类 VOA标准英语2013年(六月)

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

Pill May Change Attraction In a study in the journal Trends in Ecology and Evolution, researchers note that the birth control pill may change a woman's choice in whom she finds attractive. Cynthia Graber reports Some people like to think theres somet

发表于:2019-01-30 / 阅读(164) / 评论(0) 分类 60秒科学

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(205) / 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(263) / 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(119) / 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(112) / 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(103) / 评论(0) 分类 经济学人综合
学英语单词
airy-heiskanen system
American Depositary Share
amherstia nobilis wall.
backward-wave
basicity of hydrocarbons
bicarbonates of soda
casualty ward
coarse wool
commutation element
contagy
continuing operating principle
corallian
decade scaling
detection parameters of vehicle emission
diamagnetic loop
dream vision
drugs ban
edi service
electro deposited nickel
excessive felling
experimental genetics of plant
extremo
f-g
fibrauretin
flatuosity
forbin
free cutting metal
get one's breath back
Giubega
Glycosmis
good arvo
high tension electric ignition
high-run production
horsehood
hyperbolic locating system
I'm an atheist
intersternite
joint hydraulics
kuldip
La
legiron
lieder
Limburger
linear elastic theory
lonicera ruprechtiana regel
lugworms
maerten
manross
maximum probability search
membrane digestion
migalastat
multiple hurdle
municipal waste disposal
nervus coccygeus
nidging
Niemeyer's pills
noncases
NRRE
objective plane
oil injector
opening time for pressure regulator
order recommendation report
parisis
parts sectional view
phosphinyls
picking stick cap
plasmasome
poly (chlorotrifluoroethylene)
propellerlike
prunning
puts in
radial-arm saw
rateable value
reverse-current trip
rocking coupler support hanger
roumanite
shore connecting plant
sideways-on
sliding gear mechanism
snitcha
soil type
spares box
spring cup
standing pull trial
subjective criteria
tephrodes
the Bible Belt
three-dimensional Euclidean space
timespicayune
toppy
tRNA(guanine-N1)-methyltransferase
tuberculous pus
ustilago eleocharidis
Vallaris indecora
viall
voment
Wallacetown
war horn
water cock body
wire-line core drilling
womeras